যদি x = y = 2z এবং x,y,z = 256 হয়, তাহলে y = কত? 

A

B \(2\sqrt 2 \) 

C \({4^{3\;}}\sqrt 2 \) 

D

Solution

Correct Answer: Option D

 x = y = 2z          z = \(\frac{x}{2}\) বা,\(x.x.\frac{x}{2} = 256\)   বা,x = 512   বা,x = 8        x = 8  

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