You've done a right thing by giving a wrong answer for 911 square.. This bought up many viewers to make out the right answer USING YOUR METHOD. improves the understandability and Application Ability.
You can use a^2 = (a + b) * (a - b) + b^2 and pick b such that a+b or a-b is a multiple of 100, so b = 13: 787^2 = 774 * 800 + 13^2 = 619200 + 169 = 619369
I have seen many video for square of three digits but no one was satisfying but this was really awesome. I understand every word and I myself tried many sums. It is like universal for me everytime
Since you have to use pen and paper for these anyway, you might as well use the proper 3-digit formula instead and be less mistake-prone: (a + b + c)² = a² + b² + c² + 2ab + 2ac + 2bc
The answer for the last example : x=9, y= 11 is wrong. The square of 911 is 829921. The person has wrongly written 899921. His approach is correct though.
where did you get the 2 when you said to multiply again by 2 was it from the ;square number or is the just a step in the process that i am always going to use if i use this method?
It is from the classic BASIC school math formula ( a + b )2 = a2 + 2ab + b2 that is a plus b square equals a square plus 2 x a x b plus b square Soooo SIMPLE ! :)
To find 2 digit number like eg 98 STEP 1 do square of 9 that is = 81 STEP 2 and do square of 8 that is = 64 therfore this happens 8164 and now multiply that two digits 9×8 =72 and multiply by 2 again that is =144 Now 8164 +144 = 9604
I want to ask you that which is the application used by you in PC for Maths Input with pen. can you please tell me this will be very helpful for me because I need that application for my laptop. please tell me the name
damn, now I understand how the Mathemagician Arthur Benjamin does those monstrous five-digit number multiplications in his grand finales of his shows! :O
I've read about him. He uses a system where he replaces sets of numbers with different words and then later replaces the words with the numbers when he needs. So for example, he might replace 123456789 as this... 123 = cat 456 = dog 789 = can. He basically just does the math normally but instead of remembering the numbers he remembers sequences of letters and then does it the long way. This is a common memorization technique. It is similar to that of what is used to solve rubik's cubes blindfolded.
hey I am weak in maths that's by I don't understood what u do algebra at last in video. if you can help me in any way to improve mathematics then please do.
Surely, a useful application of the square identity! With ample practice, one can have a grip on it. Just a little point - At the end, the answer to 911x911 was incorrectly written as 899921 while it should have been 829,921. Needless to say, the error must have been committed inadvertently by the presenter.
wrong method, not applicable for all three digit number. ex-236, 329 etc. correct method is that you should divide the 3-digit number in two parts like 236-23/6 and then follow the method in the video, the answer will be correct.
None of this works for any number of 100 - 199. You have to take the 1 and make it 10 then add the number in the middle. So 108. 10 16 64 then you take the 1 of 16 and add it to the 10 so it becomes 11,664.
Yes, check out series of math tricks discussed on my channel. For example, can easily square any number ending with 5. Can also square number close to 100.
there is a way i found today :) the square of any number ab is a²/2ab/b² for this example a =2 ; b= 10 210² = 2² / 2x2x10 / 10² =4/40/100 = 44100 however the thing is that i still don't understand it very well i mean , why did we take the 1 from 100 and added it to 40 and why we didn't take the 4 from 40 and added it to 4 ? any idea ?
zawette This is what I have in this video. We have two assigned digits for bxb, 2ab, and axa. Because bxb is 100, we have to take 1 from 100 and add it to 2ab. 2ab is 40 which is already a 2 digit number and therefore we do not have to take 4 and add it to axa that is 4.
It's going good. There's Wi-fi now around here and I learned a bit more english. That Shakespeare fellow sure know his english! Too bad he's drunk all the time now
There are many on our channel. For example. ua-cam.com/video/jMdHCa8INRA/v-deo.html Check out our website. www.garguniversity.com/new/mind-math-methods-for-faster-calculations/
Wait, if you use this trick, won’t you get the same answer with (206^2) and (276^2)? 206: (2^2)__(6^2): 4__36 2*6*2=24 41236 276: (2^2)__(6^2) 4__36 2*6*2=24 41236 If someone can explain this to me, it would be much appreciated, thanks!
356=100*3+56. so x=3 and y=56. sqr(x) is 9 followed by 2xy which is 336. 3 from 336 is carried over 9 and 36 is kept after 9. now sqr (56) that is 3136. 31 is carried over last digit (i.i.e. over 6) and sqr(y) is 36. the final result is 126736. hope it helps my friend
I think your method does not work for many numbers
Yes u r right
Yes not for 102 at least (the number I tried)
there is the mistake in the last value that is
x=9
y=11
the answer should be 829921
Thanks Bagwan. Please apna asshirwaad banaye rakhe. :)
I was about to write but just saw your reply, amazing
I too got the same doubt...😂
Sundar Rajan I was confused because when I did it I got what you got
Sundar Rajan yes you are right
sir last wale question MN it should be 829921..... not 899921 ...... but really thank you beautifully explained .. decent approach
Watch this video ua-cam.com/video/W4hQLm-5-m8/v-deo.html
Square any three digit number in Mind
45 x 45 = 2025 (20 carryover)
2 x 45 x 2=270 (2 carryover)
3x3=9
9+2 (carryover) =11
70+20 (carryover) = 90
119025 = answer
Garg University 777*777=????
Sourav Kabiraj
77*77=5929( 59 carryover)
7*77*2=1078(10 carryover)
7*7=49
78+59=137( 1 carryover)
49+10+1=60
603729 is the answer
.
Garg University hey it doesn't work for every no. (ex. 329) u r just fooling everyone with this trick
Holy crap that is the simplest math trick ever. & easy to remember. thx!
You've done a right thing by giving a wrong answer for 911 square..
This bought up many viewers to make out the right answer
USING YOUR METHOD.
improves the understandability and Application Ability.
Correct Rahul. You are the one of few who understand this was done on purpose.
Real Estate Investments Indiana
oh i think you have a sense to judge a guy.....
Please give me a answer for power number of 177
Absolutely useful method, it looks like solving binomial expansion of the 2nd power
(a + b)^2 = a^2 + 2ab + b^2
but great idea, thank you posting :)
then what is the square of 121 and what is the thick for this case
Vaani Mehrotra you can apply same method as shown in video
Ankit Kumar you cant
xXSavaXx why
i did it and you can apply the same method, if the first number is only 1 digit you don't add the numbers up to the front
bull shit
the important thing to know is for what kind of numbers the rule is changing. for e.g. the method changed for " 825 " from " 206 & 409 ".
Is that not the square rules that you showed? (100x+y)^2
Not perfect
This is a common algebraic identity (x+y) ^2 = (x^2) + 2(x × y) + (y^2)
Sir,
how to solve linear equations quickly ..
please make a video on that .
when coefficient appears big it becomes very hectic ...
wish the founders of this technology of calculation to get more simple ways. thanks a lot, this way is helpful.
How do we know on forehand whether we are dealing with an imperfect or perfect square?
there is a descrepancy at 5:47s please recheck ,, totalling mistake .
can u give a complete tutorial on all shortcut method for solvingmathematic aptitude in one video or more than
Please check my channel. I have all tricks in one video
What are you using It's like a Technology?
Still big numbers like 787 cant be squared easily as we will have to square 87 first which makes it still long!
You can use a^2 = (a + b) * (a - b) + b^2 and pick b such that a+b or a-b is a multiple of 100, so b = 13: 787^2 = 774 * 800 + 13^2 = 619200 + 169 = 619369
I have seen many video for square of three digits but no one was satisfying but this was really awesome. I understand every word and I myself tried many sums. It is like universal for me everytime
how are we supposed to find a square of numbers containing larger tens digits like 198.are we supposed to remember squares until 💯?
Since you have to use pen and paper for these anyway, you might as well use the proper 3-digit formula instead and be less mistake-prone:
(a + b + c)² = a² + b² + c² + 2ab + 2ac + 2bc
Good video
Where can I find your square root video
how to apply ur method for the number 292 ?
Lakshmi Chandra do (300-8)^2=90000-4800+64=85264☺☺
Thanks a lot :) :D yaarr ..!!
How will we do if the number is 456 so for that we should know the square of 56 '......so do u have any tricks for that?
The answer for the last example : x=9, y= 11 is wrong. The square of 911 is 829921. The person has wrongly written 899921. His approach is correct though.
where did you get the 2 when you said to multiply again by 2 was it from the ;square number or is the just a step in the process that i am always going to use if i use this method?
It is a step. Middle two digits of final answer = 2 x First digit of number to be squared x last two digits of number to be squared.
It is from the classic BASIC school math formula ( a + b )2 = a2 + 2ab + b2
that is a plus b square equals a square plus 2 x a x b plus b square
Soooo SIMPLE ! :)
sir which software used to write
To find 2 digit number like eg 98 STEP 1 do square of 9 that is = 81 STEP 2 and do square of 8 that is = 64 therfore this happens 8164 and now multiply that two digits 9×8 =72 and multiply by 2 again that is =144
Now 8164
+144
= 9604
I'm CONFUSED where do the numbers come in at are you multiplying or adding or dividing or all thee above
next video is how to pee in 3 seconds
For any numbrs we hve to multiply wth 2?
***** Yes
zeshh khan h
Sir , How to calculate 186^2 = ? and 142^2 = ?
Garg sir,, what will be the sqare of 524 in your formula
I have no words to say for this awesome trick.
Thanks a lot sir....😀😀😀😀
I want to ask you that which is the application used by you in PC for Maths Input with pen.
can you please tell me this will be very helpful for me because I need that application for my laptop.
please tell me the name
Paint
The answer to 911 squared = 829921 and not 899921 as shown in the video. Please rectify. Incidentally the working was spot on!
very useful in competitive exams.
I myself feel happy.
752^2.
the 2nd step of it involves 52*52=2704..what to write in the answer?704 or just 04?.
Always last two digits. 04 in this case.
this trick did not apply for 132. Can you tell me the range ???
hi it's very simple please provide some extra shortcuts somebody already know this trics.
damn, now I understand how the Mathemagician Arthur Benjamin does those monstrous five-digit number multiplications in his grand finales of his shows! :O
+Matthias Köhler (MattK269) He is Awesome!
+Matthias Köhler (MattK269) he doesnt use this believe me
I've read about him. He uses a system where he replaces sets of numbers with different words and then later replaces the words with the numbers when he needs. So for example, he might replace 123456789 as this... 123 = cat 456 = dog 789 = can. He basically just does the math normally but instead of remembering the numbers he remembers sequences of letters and then does it the long way.
This is a common memorization technique. It is similar to that of what is used to solve rubik's cubes blindfolded.
cool
Matthias Köhler this method is from vedic maths..check out the methods for subtraction multiplication and addition
how will we know that the trick is different for 409 and 825?
hey I am weak in maths that's by I don't understood what u do algebra at last in video. if you can help me in any way to improve mathematics then please do.
thank you sir, your explanation was lucid and fluent
why is it not applicable for 141.could u let me know how to find square of 141
sir once explain for me 502 and 112
Aapne last 2digit small use liye h..jo easily calculate ho jate.. Agr last digit bde ho to use kaise calculate krenge??
+Varsha Verma You may need to calculate the square of the last two digits. There are other methods that can be used to square two digit numbers.
How do you do ex. 320 squared? It ends with a zero, but muliplying by zero makes zero
You take a 20 square cos the middle no. Is non zero as seen in the video
Sir how to solve (610 ) square
for 111 what is the result??and how??
Saswata Mohapatra
see the comments as I gaven solutn to 111 square
Why you using 2 in the last for mulipation we can take na 4*9*4
why did u multiply it again by 2 sir?
Surely, a useful application of the square identity! With ample practice, one can have a grip on it. Just a little point - At the end, the answer to 911x911 was incorrectly written as 899921 while it should have been 829,921. Needless to say, the error must have been committed inadvertently by the presenter.
YOu made mistake...9^2=81 11^2=121 (carry 1)2*9*11=198(carry 1)
Now answer will be: 829921
wrong method, not applicable for all three digit number. ex-236, 329 etc.
correct method is that you should divide the 3-digit number in two parts like 236-23/6 and then follow the method in the video, the answer will be correct.
really helpful but pls try posting videos regarding number series and pattern
sir last wala jo apne kiya 911 ka square usme to 1+81 =82 not 89 apne vaha 899921 bola par wo add kar ke 829921 hoga
not 899921
correct answer is 829921 at last 10secs video
u r right
samantha Reddy - He must have done by mistake. Better be thankful for wat he has taught.
samantha Reddy f**k u
I love
superb and very help ful to us thanks sir ...for short form
None of this works for any number of 100 - 199. You have to take the 1 and make it 10 then add the number in the middle. So 108. 10 16 64 then you take the 1 of 16 and add it to the 10 so it becomes 11,664.
The trick is Not working with the no. 403
Nice method. Beautiful application of (a+b)^2= a^2 + 2*a*b + b^2.
By the time you want to do all the calculation and add them up, just simply get the darn square
sir plz upload videos on reasoning, sir can u plz tell me on which website i can find problems to solve ,& sir upload some videos on fast calculation
to find square for 996, how can someone remember 96^2 . that is difficult. If there is any trick for the same. pls help
what about 2 digit number ? is there a way other than the near 50 way
Yes, check out series of math tricks discussed on my channel. For example, can easily square any number ending with 5. Can also square number close to 100.
there is a way i found today :)
the square of any number ab is a²/2ab/b²
for this example a =2 ; b= 10
210² = 2² / 2x2x10 / 10²
=4/40/100 = 44100
however the thing is that i still don't understand it very well i mean , why did we take the 1 from 100 and added it to 40 and why we didn't take the 4 from 40 and added it to 4 ?
any idea ?
zawette This is what I have in this video. We have two assigned digits for bxb, 2ab, and axa. Because bxb is 100, we have to take 1 from 100 and add it to 2ab.
2ab is 40 which is already a 2 digit number and therefore we do not have to take 4 and add it to axa that is 4.
Garg University oups sorry i didn't watch the rest of the video
Hi, what about the square root of 125? Cant be done with this method.
edmo sianhalo Do you mean Square? 25x25=625 (6 carry over), 1x25x2=50 (+6 carry over), 1x1=1,
Answer is 15625
125^2
first take 12^2
next 5^2 in the first line.
next 12*5*2=120 in the second line leaving unit digit
144 25
12 0
----------
15625
any square root ends with 5 can salve very easily .. like 12*13 =156 .. just put 5*5=25 after the 156.. s0 answer is 15625 ...
again try u got ans. definately
125
120*130=15600 ( 12*12=144+12=156 and 00 total 15600)
5^2=25
total= 15625.
Thanks @ Kaustubh Kumre.
isn't last no. should b 829921?
you used my profile picture in your thumbnail. what the hell, man..
Sorry Sir. I am glad to hear from you. How is afterlife?
It's going good. There's Wi-fi now around here and I learned a bit more english. That Shakespeare fellow sure know his english! Too bad he's drunk all the time now
Holy Cow...LMAOOOO!
You have a very good sense of humour 😂😂
How do you square 352 to the power of 2
excellent video
sir how to find square of 352 ??
There is a mistake in the last value it is 829921 that is not 899921
Bhargava Raju exactly i also noticed it
Correct your end part of video for 911^2. Answer is 829921, not 899921. A typo graphical mistake.
312 squared, this technique doesn't work for that if im worng, please explain
Should work for all numbers. Let try 312
3x3=9
12x12=144
3x12x2 = 72
Answer = 972(1)44
=97344
is der any trick for mental multiplicaton of no?
There are many on our channel. For example.
ua-cam.com/video/jMdHCa8INRA/v-deo.html
Check out our website.
www.garguniversity.com/new/mind-math-methods-for-faster-calculations/
can you solve square root of 525 we try it but it is not getting
not all numbers can solve this trick? If not try this 685square what is the value?
wow cool
it can be solved.but it takes too much time.so you re right.we should try on another easier one
could u check for 595 it disagrees
it is possible just concentrate on two and three digit number also
how to use this method for 321
sir 101 se 109 tk pris method se nhi aa rha hai
Very much good
What is the square of 298...please answer me..
simply ending with 5 eg . 95square is 5sq is (25) and 9 into the next digit is 10 so 9*10 is (90) answer.(9025)
The answer of the last problem is wrongly quoted .. The Answer should be 829921.. what I think...
how can we calculate 278 square
by this method
please explain sir
if the no. is509 how can we solve
Very nice and easy to Understand Sir... Thanks
i will clear all your doubts with simple porcess for squares from 1 to 1000
Wait, if you use this trick, won’t you get the same answer with (206^2) and (276^2)?
206: (2^2)__(6^2):
4__36
2*6*2=24
41236
276: (2^2)__(6^2)
4__36
2*6*2=24
41236
If someone can explain this to me, it would be much appreciated, thanks!
haiiiii sir how to find the value. of 456*456 short cut method pls
or (xy)^2 = x^2+y^2 +2xy easy for 2 digits where 87^2= 80^2 + 7^2 +2(80x7)=6400+49+1120=7569, for 3 digits.. 105^2 = 100^2+ 5^2+2(100x5)= 10000+25+1000=11025..
in case of 825 why don't we take 5*5
why r u taking midle 0 examples only..
How do u find the square of 586,745,679??
This trick work some digits not every one
Will this work for more than 3 digit numbers
Yes. Just need to do bit adjestment
What is the trick for 104 , 103,101,102
sir how can u find the squere of 356
356=100*3+56. so x=3 and y=56. sqr(x) is 9 followed by 2xy which is 336. 3 from 336 is carried over 9 and 36 is kept after 9. now sqr (56) that is 3136. 31 is carried over last digit (i.i.e. over 6) and sqr(y) is 36. the final result is 126736. hope it helps my friend
seema Yadav you are most brilliant student I had ever seen👍👍
thank u brian douglas sir
I learnt this in 10 standard. This is part of ''Vadic Mathematics''
Studied at cbse scl right
Sir how to do Square of 348
Answer for the last example where u take x as 9 and y as 11, answer is829921