what is the identity for calculating 76 square
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76² = (100 - 24) (100 - 24 )
= ( 100 - 24 )²
( a - b )² = a² + 2ab - b²
(100 - 24)² = 100² + 2 * 100 * 24 - 24²
= 10000 + 4800 - 576
= 14224
advaithasatheesh:
thank u
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