Question

Which of the following equations is equivalent to the logarithmic equation below? x = In4

Answer 1

Given:

The equation is:

$x=\ln 4$

To find:

The equations that is equivalent to the given logarithmic equation.

Solution:

We have,

$x=\ln 4$

It can be written as:

$e^x=e^{\ln 4}$

$e^x=4$                  $[\because e^{\ln x}=x]$

Therefore, the correct option is D.