Biology, asked by Anonymous, 4 months ago

(a+b)2-(a-b)2 then what's the answer of the quality

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Answered by Anonymous
1

\huge\green{Answer}

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

 = ( {a}^{2}  +  {b}^{2}  + 2ab) - ( \:  {a}^{2} +  {b}^{2}  - 2ab)

 =  {a}^{2}  +  {b}^{2}  + 2ab -  {a}^{2}   -  {b}^{2}  + 2ab

 = 4ab

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