Question:- a - b এর বর্গ কোনটি? 

A `- a^2 - 2ab - b^` 
B `a^2 - 2ab + b^2` 
C `a^2 + 2ab + b^2` 
D `a^2 - 2ab - b^2` 

+ Answer
C 

+ Report

Irin Moni

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