(a+b) ^2 +(a-b) ^2

Asked by prasenjitbanerjee24383 | 6th Apr, 2019, 09:10: AM

Expert Answer:

( a + b )2 - ( a - b )= [ a2 + b2 +2ab ] - [a2 +b2 -2ab] = 4ab

Answered by Thiyagarajan K | 6th Apr, 2019, 10:56: AM

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