Vedic / Quicker / Shortcut Math ⇒ Topic : Square Root of two digit using formula
Formula: (a+b)2 = a2+2ab+b2 i.e, (a / b)2= a2 / 2ab / b2
( 57 )2
All this do on your mind which will help in fast calculation to obtain the answer of Square and Square Root of a number.
This is similar to the above Example.
Step1: put down 1 carry 8
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