How do you solve $ln x = 4$ $lnx=4$ ?

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Answer 1 · 2015-12-14T18:19:32

The answer is $x = e^{4}$ $x=e^4$

In general if you have an equation like:

${log}_{a} x = b$ $log_a x=b$

then the answer is $x = a^{b}$ $x=a^b$

${log}_{a} x$ $log_a x$ is a number $b$ $b$ to which $a$ $a$ must be raised to get the result $x$ $x$ .

How do you solve lnx=4lnx=4lnx=4?