Question:x = - 5, y = 4 হলে `(x - y)^2`এর মান কত ? 

A - 1 
B 16 
C - 81 
D 81 

+ Answer
D 

+ Explanation
`(x - y)^2` = (- 5 - 4)^2` 

`= (- 9)^2 = 81`

+ Report

Irin Moni

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