How do you solve e^x=2?

1 Answer
Sep 4, 2016

x=ln2

Explanation:

Make use of the color(blue)"law of logarithms"

color(red)(|bar(ul(color(white)(a/a)color(black)(logx^n=nlogx)color(white)(a/a)|)))

Using this law allows us to obtain x as a multiplier

First step - take ln of both sides.

rArrlne^x=ln2rArrxcancel(lne)^1=ln2rArrx=ln2