Question:`(a + b)^2 + (a - b)^2` নিচের কোনটির সমান? 

A `a^2 + b^2` 
B `a^2 - b^2` 
C `2(a^2 + b^2)` 
D `2(a^2 - b^2)` 

+ Answer
C 

+ Report

Irin Moni

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