If log144 = 4 then x = ?

A 2√3

B 4

C 3

D 3√2

Solution

Correct Answer: Option A

দেওয়া আছে, logx144 = 4
⇒ x⁴ = 144
⇒ (x²)² = (12)²
⇒ x² = 12
∴ x = √12
      = √3 × 4
       = 2√3

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