What is Integration? Finding the Area Under a Curve

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  • Опубліковано 22 чер 2024
  • Ok, we've wrapped up differential calculus, so it's time to tackle integral calculus! It's definitely the trickier of the two, but don't worry, it's nothing you can't handle! First things first, what is integration? Well it's that thing we mentioned way back in the introduction clip, when we talked about adding up the infinite tiny rectangles. Just watch and you'll see!
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КОМЕНТАРІ • 196

  • @tbax4259
    @tbax4259 5 років тому +207

    Dear Professor Dave, you explained integration to me in just under nine minutes. WOW. Thanks, Professor Dave. I am now your happiest patron!

  • @marekjanik9962
    @marekjanik9962 5 років тому +735

    Thank You professor Jesus

    • @BrandedDevil
      @BrandedDevil 5 років тому +13

      Lol 😂😂

    • @junesept234
      @junesept234 5 років тому +7

      lol.

    • @linccodes
      @linccodes 3 роки тому +14

      Yeah.... Coz he's the school messiah for last minute study.... Lol 😅

    • @naomiaemanuel7187
      @naomiaemanuel7187 3 роки тому

      Matnematics is the status of the world to have his own life experience as a good place to students and to be the best way to do this in the future of your business and how you can get the most important information to make your business is not the only ones that can who you want to do for the I know that you are so cDvlD and you are not the only ones that can who you want to do for the cDvlD of your life in the world of music and the world to have his own life experience

    • @Mindochin03
      @Mindochin03 3 роки тому +2

      Amen to that

  • @74Gee
    @74Gee 2 роки тому +30

    As a programmer who didn't learn calculus, integrations or anything else like that, this is GOLD. Thank you!

  • @therealdeal6659
    @therealdeal6659 5 років тому +179

    Nice, this is way better than binge watching Netflix.

    • @junesept234
      @junesept234 5 років тому +10

      Then, after watching this, try to watch 3Brown1Brown. It is nice to complement this video to the videos of 3Blue1Brown.

    • @therealdeal6659
      @therealdeal6659 5 років тому +1

      Rinkazhi Rinkashime Lol of course, his videos give a much deeper conceptual understanding of the subject matter. However, the procedure itself is covered more in Professor Dave’s videos.

    • @pinklady7184
      @pinklady7184 4 роки тому +5

      You have said it. I watch video tutorials more than watching TV.

    • @9308323
      @9308323 4 роки тому +1

      @@pinklady7184 You still watch TV!?

    • @pinklady7184
      @pinklady7184 4 роки тому +5

      930 8323 Very rarely. I haven't watched TV in many months. After work, I usually go straight to bed and watch tutorials on tablet or read ebooks at Open Library. Just yesterday, my sister bought a large TV screen and installed it in our home. The new TV is ENORMOUS and screen resolutions is high. It comes with wifi. Last night, I was watching Blender tutorials (3D modelling) on UA-cam, all on TV screen.
      The thumbnails of drama and documentaries on TV look VERY ENTICING and TEMPTING. I resisted temptations.

  • @sarahfox3652
    @sarahfox3652 3 роки тому +10

    You are literally my Calc II teacher right now thanks to distance learning lol so THANK YOU!! This was very helpful!! We need content like this now more than ever.

  • @varunn.a.5764
    @varunn.a.5764 11 місяців тому +5

    My teacher never taught me all that when I was at school...When I watched a video related to entropy , I got scared by the integral sign just like the way I got when I was back in high school. I work as an automation engineer in food and pharma sector and have watched some of your nice videos related to pharma industry. Now I have got the clearer idea of why integration is important and hoping to make use of the knowledge in future. Now I also realize how bad the situation was for us before these videos become available. Professor Dave inspires me to face my old high school and college demons and win the fights I lost back then. Teachers like you provide us with an opportunity to fix the gaps we had in our early education and provide us confidence to upgrade our brains for the future....Great Video and wishing the best for you and your channel😃

  • @drewpetersen3683
    @drewpetersen3683 4 роки тому +33

    Your videos are explained so well! Thank you! The time put into these animations really reflects the viewers ability to understand it as well! Keep it up!
    Also this unit is actually pretty interesting. I never thought I would hear myself say math is interesting but seeing how calculus finally folds out is kinda cool.

  • @joeykenn
    @joeykenn 3 роки тому +5

    An excellent simple well illustrated explanation. Thank you very much.

  • @isaiahrichards9319
    @isaiahrichards9319 3 роки тому +9

    Wow, this really helped me to understand. Thank you very much!

  • @Maryam-dq1iy
    @Maryam-dq1iy Рік тому +2

    Thank you very much for your effort in explaining these hard topics, really appreciated

  • @siddhantshenvi5006
    @siddhantshenvi5006 2 роки тому +1

    Superb explanation...it's crystal clear...Thank you so much Professor Dave!!

  • @3deeguy
    @3deeguy 6 років тому +5

    Thank you for explaining how to identify the part of the equation that identifies the height of the rectangle and the part that identifies the base. I will not move on to fourier transforms until calculus makes sense to me. I think I need to work on a few examples to let it sink in.

  • @physicsforever4793
    @physicsforever4793 3 роки тому +3

    This was a great explanation!

  • @minorfirestar2433
    @minorfirestar2433 3 роки тому

    Thank you so much for the Calculus videos, Professor Dave! I'm about to take a CLEP exam for Calc. and the study videos I originally used (by Modern States) were no help at all. More people need to know about you!

  • @LvHTube
    @LvHTube 5 років тому +1

    You explain very clear, thxs

  • @Squash101
    @Squash101 2 роки тому +1

    This is absolutely incredible.

  • @odileabimana
    @odileabimana 3 роки тому +3

    you saved me. Thank you so much for this tutorial

  • @apostolosfilippos
    @apostolosfilippos 2 роки тому +7

    I hated this for over 20 years. Explained in 8 minutes. Thank you!

  • @gamingwithtrikku2371
    @gamingwithtrikku2371 2 роки тому

    Thank you professor Dave!

  • @niv5883
    @niv5883 4 роки тому +11

    Ad: still search for math help are the videos from 2006 really helping?
    Me :yes

  • @hikmatullahpakhtoon3694
    @hikmatullahpakhtoon3694 4 роки тому +2

    wow interesting and an incredible way of teaching, i like it

  • @ripperduck
    @ripperduck 5 років тому +10

    I very much appreciate the work you've put into your series of vids. But, the problem is that no one explains why calculus was invented, why it works with physics, what the area of an integral is suppose to physically mean, on and on. As a guy with a BS Physics, not one professor, nor textbook, ever bothered to explain/lecture the 'why' of math, which meant, that for many years, we were doing things by simple memorization.
    What I learned is that the most important math concept is that of the pure number. Derivatives and integrals are pure numbers, as are fractions, ratios, percentages, geometry, trig, slopes, thermo entropy, and a bunch of other things. In other words, we were introduced to the overarching concept of all calculus back in the third grade, but no one bothered to explain its importance. I wish STEM vids would begin teaching the fundamental concepts of their disciplines prior to doing problems, that way the subject matter would be far more engaging...

    • @ProfessorDaveExplains
      @ProfessorDaveExplains  5 років тому +5

      Check out my tutorial introducing calculus. It’s the first in my calculus playlist. I teach precisely what you’re asking for.

    • @erazn9077
      @erazn9077 2 роки тому +2

      Absolutely! That’s honestly the worst part about math, that nobody explains why we’re doing what we’re doing.
      When you get past that though math get pretty fun lol

  • @user-sm9up1zk6w
    @user-sm9up1zk6w 4 місяці тому

    Thank you so much. That was really useful

  • @Thaumius
    @Thaumius 6 років тому +10

    Hey Dave, my teacher taught us about left hand rule, right hand rule and midpoint rule, how do you implement them into the summation formula (Riemann sum)?

  • @vijayshirsath3170
    @vijayshirsath3170 3 роки тому

    Great explanations

  • @swarrnarathna6633
    @swarrnarathna6633 4 роки тому

    its really helpfull
    sir .thank you

  • @vivianperalta7378
    @vivianperalta7378 5 років тому +1

    Amazingggggggggggggggggggg. more people should watch your channel

  • @dimqueen7624
    @dimqueen7624 6 років тому +21

    You are perfect

  • @TheShash18
    @TheShash18 3 роки тому

    This is just amazing..!

  • @deepaktiwari7059
    @deepaktiwari7059 4 роки тому

    Thank you so much!

  • @junaidbangash3969
    @junaidbangash3969 4 роки тому

    Thanks great lecture

  • @karanmali6847
    @karanmali6847 5 років тому

    Thank you so much sir

  • @MrHigoli
    @MrHigoli 5 років тому

    thx a lot prof. your awesome

  • @wisdom_wellness365
    @wisdom_wellness365 3 роки тому

    Very nice! I like it!

  • @MathsWithMichalis
    @MathsWithMichalis 3 роки тому

    Amazing explanation by Dave I am a math tutor... this video is perfect

  • @SchwanaCARDHUT
    @SchwanaCARDHUT 5 років тому

    thanks for this explication .

  • @lordoftheunholyponys
    @lordoftheunholyponys 4 роки тому +2

    i love you, dave.

  • @blazetech6614
    @blazetech6614 Рік тому +1

    Thank you Prof

  • @karthick5493
    @karthick5493 4 роки тому

    Thank you professor

  • @0916079787
    @0916079787 3 роки тому

    Wow that's great, thank you.

  • @dont4629
    @dont4629 2 роки тому

    Thank you so much 🙏❤️💯💯

  • @saritaprasad4295
    @saritaprasad4295 8 місяців тому

    Nice explanation

  • @juliansthoughts5641
    @juliansthoughts5641 3 роки тому

    Omg. Thank you. Purely

  • @nithinsirimanne2924
    @nithinsirimanne2924 10 місяців тому

    Thanks this is so easy

  • @chloecraig3202
    @chloecraig3202 2 роки тому

    We love you professor Dave

  • @shamassadaf9040
    @shamassadaf9040 6 років тому +5

    Gr8 video professor, thanx

  • @udayveersingh2738
    @udayveersingh2738 3 роки тому

    Nice understanding

  • @livetodraw5939
    @livetodraw5939 Рік тому

    I in the 5th grade and you help me understand so well 😊 thank you

  • @leonisaacs3512
    @leonisaacs3512 4 роки тому

    Thanks!

  • @_____758
    @_____758 3 роки тому +8

    thank goodness! someone finally makes sense lol

  • @adityashankar5267
    @adityashankar5267 5 років тому +5

    Hello...Do we need to manually calculate the areas of all kinda rectangles and find out what value they approach? I mean, isn't there any formula..

  • @alexanderchronos8694
    @alexanderchronos8694 6 років тому +2

    I'd wait a week for the next video.

  • @satbirsingh7269
    @satbirsingh7269 6 років тому

    Sir i have problem to prove a function onto and one one plz tell me something for which i can do best!!!

  • @papermario2169
    @papermario2169 6 років тому

    Professor Dave, if you are a patreon are u able to schedule one on one coaching for a set period of time? It would be dank if Patreons got one on one Skype time for a certain amount of time that is paid of course.

    • @ProfessorDaveExplains
      @ProfessorDaveExplains  6 років тому

      Well I do have an option as one of the tiers on Patreon where you get an hour of Skype tutoring per month! However, it is my highest tier. But it's there for you!

  • @riyagalhotra4393
    @riyagalhotra4393 3 роки тому

    Very nyc video🙇‍♂️🙇‍♂️

  • @qaphelaminenhle3173
    @qaphelaminenhle3173 3 роки тому

    thank you

  • @CyberS_1984
    @CyberS_1984 Рік тому

    Does a horizontal asymtote between the curve and the x-axis require any alteration to the process? Thanks

  • @Crbecker2
    @Crbecker2 2 роки тому +3

    TENGO EXAMENAAA

  • @ian.ambrose
    @ian.ambrose 2 роки тому

    This video is GOOOOOOOOOOOOOD

  • @scoopboy
    @scoopboy Рік тому +2

    Proffessor Dave you game an epiphany at 3:33

  • @kelsiebattle5993
    @kelsiebattle5993 3 роки тому

    Can you explain how to apply that equation pleaseee???

  • @TopG20073
    @TopG20073 Рік тому

    Thanks

  • @r.ganeshm7336
    @r.ganeshm7336 4 роки тому +3

    Hi Mr.Dave , pls reply for my doubt.
    For circle , parabola, sphere's we have general equation.
    Why polygons doesn't have any equation?

    • @carultch
      @carultch 2 роки тому

      Polygons are not infinitely differentiable like circles, parabolas, and spheres. You need a piecewise function to define a polygon, because you have jump discontinuities in their slopes at every corner.

    • @r.ganeshm7336
      @r.ganeshm7336 2 роки тому

      @@carultch thank you so much.

  • @eziosdiy1504
    @eziosdiy1504 4 роки тому

    Subscribed

  • @TheRiptideXD
    @TheRiptideXD 3 роки тому +6

    Damn crit1kals really branching out these days

  • @basselsy3337
    @basselsy3337 4 роки тому

    What the best books to learn Mathematics?

  • @johnpro2847
    @johnpro2847 4 роки тому

    1:18 The class room gives you a function .how do you get the area when a function is not know as in the shape presented ?

    • @Ahmed-vs1ui
      @Ahmed-vs1ui 3 роки тому +1

      Ofc u cant there are no dimensions given its like drawing a square and asking u for its area without giving u a side length
      u must know the function

  • @Julia27201
    @Julia27201 3 роки тому

    Question- why not divide it into one triangle? (3:48)

  • @bekalutadesse8615
    @bekalutadesse8615 3 роки тому +1

    Always make conceptualize more

  • @erikaespina
    @erikaespina Рік тому

    thank you🥲

  • @nazuu
    @nazuu 3 роки тому

    Thanks =)

  • @anilkumarsharma1205
    @anilkumarsharma1205 4 роки тому

    how volume of spheroid and oloyed are correlated with their volume

  • @schifoso
    @schifoso 6 років тому +4

    It's amazing that Archimedes was using inscribed polygons to approximate areas of curved surfaces. If he would have taken the number of inscriptions to infinity, he might have invented calculus a couple thousand years before Newton.

    • @ubaidshah1910
      @ubaidshah1910 5 років тому

      Archimedes is a fake character who never existed

    • @BG-wm2tw
      @BG-wm2tw 4 роки тому

      Ubaid Shah ..... F off idiot. F**ing clueless moron.

    • @BG-wm2tw
      @BG-wm2tw 4 роки тому

      Robert Zanatta .. I agree.

    • @idontknow1630
      @idontknow1630 Рік тому

      @Leonhard Euler what does religion have to do with this?

  • @TopG20073
    @TopG20073 Рік тому

    Can’t we subtract the area of the triangles by the area of the rectangles?

  • @tushargupta6304
    @tushargupta6304 Рік тому

    Wht about connection between differentiation and integration

  • @jrlizardking
    @jrlizardking 5 років тому +7

    Hey anyway I could pay you for tutoring on Skype or something. Thanks

  • @johnkhan7966
    @johnkhan7966 5 років тому +4

    mountain has a curve shape then how we split a mountain in to a bunch of rectangles, please reply if some one has the answer

    • @charlie3k
      @charlie3k 4 роки тому

      split it into an infinite amount of rectangles

    • @johnkhan7966
      @johnkhan7966 4 роки тому

      how you splits mountain

    • @tia4361
      @tia4361 4 роки тому +5

      You don't split a mountain, it's purely hypothetical. It's an example of approximating the area.

  • @sweatypineapple4411
    @sweatypineapple4411 Місяць тому

    I love you dave

  • @gheorghechilnicean5530
    @gheorghechilnicean5530 3 роки тому

    For better understanding give us an exemple wich has a concret ancer in m^2

    • @carultch
      @carultch Рік тому

      Ok: a slab of concrete starts at the origin, and is 10 meters wide along the x-axis. The remaining perimeter to this width, is defined by the function y=-x*(x-10)/5, where x and y have units of meters. Calculate the area covered by this slab of concrete.

  • @Bel...QWERTY1
    @Bel...QWERTY1 7 місяців тому

    Please .. tell us how to get the intergration rules like :
    Intergration of x^2 is x^3/3 + C
    Why is that how they get it for the first time ???

  • @AbdulRehmanAbdulAziz
    @AbdulRehmanAbdulAziz 5 років тому

    How to calculate incremental area under curve

  • @frank4282
    @frank4282 Рік тому

    What if I see a graph but I can't discover a function out of it to integrate? I have a graph from solar power generation in a day but can't find its function. Each points give a different y(Except vertex).

  • @AlexusDelphi
    @AlexusDelphi Рік тому

    You explained better in the first 5 minutes than my professor did in 30

  • @anilkumarsharma1205
    @anilkumarsharma1205 4 роки тому

    relationship between function and its derivative and it's integral are how correlated with each other so we know that how much percentage are more or less they are, correlation coefficient and percentage related with real function
    like volume of the spherical shape and it's surface area are derivation for round circle and sphere
    now we want to know about cubic or cuboid systems that how their volume and surface area are correlated

  • @fashionwithme3198
    @fashionwithme3198 3 місяці тому

    The intro was also good😂

  • @angryhulk7099
    @angryhulk7099 5 років тому +1

    Is there anyway to find area under curve without using approximation sir.....

    • @ProfessorDaveExplains
      @ProfessorDaveExplains  5 років тому

      check out the very next tutorial on the fundamental theorem of calculus and you'll see!

  • @APXSTUDIO
    @APXSTUDIO 8 місяців тому

    OHHHHHHHH I ALWAYS WONDERED WHY INTEGRATION IS USED OR WHY IS IT SO HYPED
    SO THE MAIN USE FOR INTEGRATION IS FINDING AN AREA UNDER CURVE
    THANK YOU SOOO MUCH
    I DONT REALLY PAY ATTENTION IN CLASS SINCE I ALWAYS DAY DREAM

  • @adityaverma6980
    @adityaverma6980 4 роки тому +1

    when there will be thousand of small rectangles how we well add them all? i have watch hundered of videos of you tube but no teacher can give the answer of this question

  • @ramk1985
    @ramk1985 5 років тому

    but how is it possible to find the areas of infinte rectangles and add those up

    • @ProfessorDaveExplains
      @ProfessorDaveExplains  5 років тому +1

      Maybe start at the beginning of the calculus series with the introduction, it explains precisely how you can do something infinite times and get a finite answer, which is what calculus is all about!

  • @imsavage2449
    @imsavage2449 4 роки тому +11

    whos here just to see the intro

  • @ianloveservice
    @ianloveservice 3 роки тому

    You save my life

  • @totalfreedom45
    @totalfreedom45 2 роки тому +1

    Professor Dave rocks and rolls; although he looks like a rock star, he is not a rock star but a cool math teacher. 😂 💕 ☮ 🌎 🌌

  • @choo1030
    @choo1030 3 роки тому +1

    I have 2 Calculus professor. One is getting paid with my tuition, the other received zero cent from me for quality lecture videos. Yet, the one getting unpaid clearly can teach WAY BETTER than the paid one. My money is clearly getting wasted!!!!

  • @superpussycat6648
    @superpussycat6648 4 роки тому

    Thanks Prof Jesus.

  • @kushagrasingh9624
    @kushagrasingh9624 3 роки тому +1

    How performing integration adds area of those tiny rectangles means integration just change slope into function

  • @md.jahangeralam3988
    @md.jahangeralam3988 3 місяці тому

    Just wow...

  • @matokurin
    @matokurin 3 роки тому

    Thank you. Professor Jesus

  • @tGoldenPhoenix
    @tGoldenPhoenix 2 роки тому

    Done.

  • @hayin2041
    @hayin2041 3 роки тому

    is delta x close to zero? Thank You

    • @carultch
      @carultch Рік тому

      Yes. In the limit as the number of rectangles approaches infinity, the width of the rectangles approaches zero.

  • @safwanofficial3624
    @safwanofficial3624 3 роки тому

    Integration does not always means the area of something!
    Suppose i have to find the area of sin graph.. So the negative and the positive side area will be cancelled and the result will be 0. Cause the negative side area will be negative. And it will be 0. But we know area cannot be negative. Lastly we have to addition it in order to get area perfectly

    • @carultch
      @carultch 2 роки тому +1

      Integration calculates the NET SIGNED AREA between a function and the graph. Some parts where the function is positive will have a positive sign assigned to their area, other parts where the function is negative will have a negative sign assigned to their area. Integration accounts for the sign of the areas that get added up, and adds up the net signed area.