Home » Aptitude » Logarithm

If logx ❨ 9 ❩ = - 1 , then x is equal to: 16 2

Correct Answer: 256 81

Explanation:


logx 9 = - 1
16 2



x-1/2 = 9
16



1 = 9
x 16



⟹ √x = 16
9



x = 16 2
9



x = 256
81


← Previous Question Next Question→

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion