81 (√3)2x = 1 হলে X এর মান কত?

A -3

B 3

C 4

D -4

Solution

Correct Answer: Option D

   81 (√3)2x = 1
⇒ (√3)2x = 81/1
⇒ (√3)2x = (3)-4
⇒ (√3)2x = (√3)-8
⇒ 2x = -8
⇒ x= -4

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