Question:নিচের কোনটি (4x - 7y) এর বর্গ? 

A `16x^2 + 56xy + 49y^2` 
B `16x^2 - 56xy - 49y^2` 
C `16x^2 - 56xy + 49y^2` 
D `16x^2 + 56xy - 49y^2` 

+ Answer
C 

+ Report

Irin Moni

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