If log₂ (log₃ x) = 4, the value of x is :

1. 3¹⁶

2. 16³

3. 3 × 16

4. 16 ÷ 3

Given,

⇒ log₂ (log₃ x) = 4

⇒ log₃ x = 2⁴

⇒ log₃ x = 16

⇒ x = 3¹⁶.

Hence, Option 1 is the correct option.