Pls tell the trick to find squares of no. 100 to 125
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(a+b)² = a² + b² +2ab
Any number after 100 can be taken in the form (100+x) any be calculated using the above mentioned identity.
Any number after 100 can be taken in the form (100+x) any be calculated using the above mentioned identity.
Rdsuham:
Pls tell in detail
Means do we have to apply (100+X) KA WHOLE SQUARE.?
no I only tell you the way to find the square of numbers and ending with 5 and if you need to find the squares of other numbers just like 1041 03102 then you can apply the hundred plus X formula
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I can only tell u the trick of finding number ending with 5
for example find the square of 95 so
25 right side and write multiplication of the number and the next number that is 9 into 10 so now you have 90 and 25 so first right 90 and then 25 the answer would be 9025.
for example find the square of 95 so
25 right side and write multiplication of the number and the next number that is 9 into 10 so now you have 90 and 25 so first right 90 and then 25 the answer would be 9025.
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