Quadratic Equation 1 | CAT Preparation 2024 | Algebra | Quantitative Aptitude

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  • Опубліковано 11 кві 2019
  • Advance Algebra by Ravi Prakash | Quantitative Aptitude for CAT 2024
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КОМЕНТАРІ • 73

  • @souravmandal7527
    @souravmandal7527 2 роки тому +63

    starting my CAT journey wish me luck

  • @vinaykapil1413
    @vinaykapil1413 2 роки тому +12

    will always be grateful to uplift our knowledge sir. please keep sharing videos for this year's imp questions.

  • @rashmitharad-dh8pl
    @rashmitharad-dh8pl 3 місяці тому +1

    Sir where were you sir. In my whole life i was not able to solve equation but you made it soooooo easy for me in just 5 mins. Thankyouu

  • @cumulusmusic100
    @cumulusmusic100 11 місяців тому +2

    Thank you Sir, your videos are a blessing.

  • @tubaiindu3655
    @tubaiindu3655 3 роки тому +2

    Simple middle term factors ❤

  • @yashasharma9963
    @yashasharma9963 3 роки тому +20

    Great source for quick revision! ♥️

  • @addibel506
    @addibel506 Рік тому +6

    13:35 explains quadratic inequalities.
    a>0 curve opens upward
    a

    • @addibel506
      @addibel506 Рік тому +2

      17:30 position of roots in a curve deciding the nature of the quadratic eqn y

    • @addibel506
      @addibel506 Рік тому +2

      18:57 22:00 24:50 examples

  • @YOGESHKUMAR-nc5xj
    @YOGESHKUMAR-nc5xj 4 роки тому +2

    Amazing sir

  • @reetarora9920
    @reetarora9920 2 роки тому +3

    sir I don't know anything about graphs. From where should I study the basics

  • @sriramsri9195
    @sriramsri9195 2 місяці тому

    great sir explanation is very crystal clear sir.........

  • @careerroute392
    @careerroute392 2 роки тому +10

    Dear sir please explain the meaning of the signs which you use in question because literally I don't get that. Algebra is looking very hard all the equations you made while In a question that is very tough for me to understand them please🙏 sir explain each small points

    • @sam26Ind
      @sam26Ind Рік тому +1

      They are Explained in "Sets" part... Union and Intersection

  • @satyanarayaniitkgp3484
    @satyanarayaniitkgp3484 Місяць тому

    NICE EXPLANATION!!

  • @ypoojaa
    @ypoojaa 2 роки тому +1

    thank u so much sir❤

  • @voice4192
    @voice4192 3 роки тому +1

    Thnxxx guru dev

  • @sanjeevvishwakarma1536
    @sanjeevvishwakarma1536 4 роки тому +2

    Thanks you sir

  • @AR-zd2hx
    @AR-zd2hx 4 роки тому +4

    Very nice

  • @user-lk6tb8xx8v
    @user-lk6tb8xx8v 10 місяців тому

    I have been binge watching your algebra playlist,will i able to crack cat lvl questions with this??\

  • @user-lk6tb8xx8v
    @user-lk6tb8xx8v 10 місяців тому

    WHich topic in algebra should i give more importance to?

  • @WORKETHICBRAIN
    @WORKETHICBRAIN 26 днів тому

    GREAT SIR

  • @Shivam_General_Fitness
    @Shivam_General_Fitness Рік тому

    Thanku sir

  • @sonalisahoo7099
    @sonalisahoo7099 Рік тому

    Beautifully explained. Thankyou so much sir

  • @amrityadav4615
    @amrityadav4615 Рік тому

    Thank u sir

  • @duttaroywritabroto
    @duttaroywritabroto 2 роки тому

    Sir, when a>0 and y>0 , why is xbeta ? this part is not clear to me.

    • @shashanktomar7670
      @shashanktomar7670 2 роки тому +3

      when y is in the positive section of the check the diagram you will see that the x is going away in the left direction of the alpha and alpha lies in -ve x and as the y will increase the magnitude of x will increase but as it is in the -ve x half the number there will go smaller and smaller. hence alpha will be greater for the simple reason -4 is greater than -14 because of the -ve sign
      similarly in case on the other side as y is +ve the line is going +ve after beta ( positive meaning crossing the x and coming to the positive section of y) in this case also the magnitude is increasing but there is no -ve sign as it is +ve x , so for simple reason 14>4
      x will be greater than the beta

  • @ronybisht8652
    @ronybisht8652 4 роки тому +2

    sir why graph upward when a>o and similarly vice versa?

    • @techtalkies4119
      @techtalkies4119 3 роки тому

      its an result derived we need to remember those. take graph paper and try to plot graph with A less than and greater than 0 you will get to know

    • @anandsukumaran1472
      @anandsukumaran1472 3 роки тому

      Coefficient of x^2 is a. So, if a +ve upwards, -ve downwards.

    • @vijaysolomon4580
      @vijaysolomon4580 3 роки тому

      If a>0 then ax^2 increases with an increase in x and x^2 term dominates the bx+c term, hence the curve will be upwards

  • @anchalagarwal8026
    @anchalagarwal8026 2 роки тому

    How to know the part of bracket, if that is included or excluded?

  • @technocobraa9279
    @technocobraa9279 2 роки тому +2

    Don't know anything about graphs and that XE ( ) and U ( )

  • @sudhanshushekhar4710
    @sudhanshushekhar4710 10 місяців тому

    16:56 didn't understand completely.can anyone plz explain????

  • @suii692
    @suii692 11 місяців тому

    Sir ye graph kuch samjh nhi aaraha he

  • @daniellawrence8484
    @daniellawrence8484 3 роки тому +4

    saar veruthe mood anu

  • @shekharjena8511
    @shekharjena8511 Рік тому +2

    Last question me graph nhi samjh aaya upar kyu bana jab y < o tha

    • @savy0101
      @savy0101 9 місяців тому

      same bro muje bi btana pta chla toh

    • @Sonakshi-garg
      @Sonakshi-garg 9 місяців тому +1

      Upward and downward graph depends on 'a' i.e. coefficient of x^2 , here a>0 therefore upward graph

    • @i_AnkuShahi_i
      @i_AnkuShahi_i 9 місяців тому

      Bhai simple h pehle roughly do graph bna lo jo x axis se interrsect hote h root point pr. Ab jo equation h usme x ki value 0 rakhdo agar answer positive aaya ki negative. Ab y tumko Positive ya negative aata h to teen point tumko pta chal gye h A(Alfpha, 0), B(Beta, 0) and C(0, Y cordinate) ab teeno point se graph ko bna ke dekhlo.

  • @swagatomukherjee6401
    @swagatomukherjee6401 2 місяці тому

    18:45

  • @anushkapatel382
    @anushkapatel382 9 місяців тому

    I think graph is wrong a 23:15

  • @KritikMangal
    @KritikMangal 11 місяців тому

    hey guys serious question here, why is your channel name rodha?

  • @aparnaghosh4875
    @aparnaghosh4875 5 років тому +2

    Give a video on total modulus and inequities

  • @amansaxena7976
    @amansaxena7976 10 місяців тому

    I thing sir deletes many videos from different topics....

    • @Rodha
      @Rodha  10 місяців тому +3

      No no. I have not deleted a single video yaar.

  • @tanishkakashyap2234
    @tanishkakashyap2234 5 місяців тому

    Why (x-alpha) (x-beta) =0 ?

    • @tanmaydeshmukh8299
      @tanmaydeshmukh8299 3 місяці тому

      Alpha and beta are the zeros of the equation and that's the standard for of writing zeros.

    • @tanmaydeshmukh8299
      @tanmaydeshmukh8299 3 місяці тому

      If alpha and beta are positive zeros then (x-alpha). If negative then (x+alpha)

  • @devchauhan963
    @devchauhan963 3 роки тому +9

    Bohot faltu advertisement arahi hai, disturb horiya hai

    • @HadesBTC
      @HadesBTC 2 роки тому +25

      Free ma mil raha voh acha nahi laag raha na? Coaching ka paisa jo bach raha usse Yt Premium lelo ya fir aur paisa bachana hai toh download karke dekho,simple hai stop complaining instead you should be grateful to sir for uploading such good content for us✌🏻

    • @poojayawatkar3363
      @poojayawatkar3363 Рік тому +3

      Disturb horiya he ye kya hota he bhyii🤣🤣🤣

    • @namansharma2721
      @namansharma2721 5 місяців тому +1

      Use an adblocker