GUPTA's FORMULA
To find a2, we can use the following formula :-a2 = (a+b)(a-b)+b2
b can be any number
VERIFICATION
This formula is useful to find squares of numbers like 99
992 = (99+1)(99-1)+12
=100*98+1
=9801
Done fast, easily, and accurately!!!
Thursday, 26 December 2013
GUPTA's FORMULA
a2 = (a+b)(a-b)+b2
b can be any number
This formula is useful to find squares of numbers like 99
992 = (99+1)(99-1)+12
=100*98+1
=9801
Done fast, easily, and accurately!!!
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