Question

What is the solution of logx 729=3?
The answer is 9 (B) on edge.

Answer 1

x = 9

Explanation:

using the rule of logarithms

`log_(b)` x = n ⇒ x =
`b^(n)`

given

`log_(x)` 729 = 3 then

729 = x³

note 729 = 9³ , so

9³ = x³ ( equating the bases) , gives

x = 9