54x-2 = 74x-2 হলে x = ?

A 1/2

B 2

C -1/2

D -2

Solution

Correct Answer: Option A

আমরা জানি, a0 = 1
∴ 50 = 70
প্রশ্নমতে, 4x - 2 = 0
⇒ x = 2/4 = 1/2

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