Solve the exponential equation below. Express irrational solutions in exact form and as a decimal rounded to 3 decimal places.

[e^(x) - e^(-x)]/2 = -2

Printable View

- Aug 10th 2008, 06:26 AMmagentaritaExponential Equation With Number e
Solve the exponential equation below. Express irrational solutions in exact form and as a decimal rounded to 3 decimal places.

[e^(x) - e^(-x)]/2 = -2

- Aug 10th 2008, 06:47 AMskeeter

multiply both sides by 2 ...

multiply every term by ...

let

use the quadratic formula to solve for u, then use the natural log (ln) to solve for x. - Aug 10th 2008, 11:24 AMmagentaritaVery good...
I can take it from here.

Good job!