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

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- August 10th 2008, 07:26 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

- August 10th 2008, 07:47 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. - August 10th 2008, 12:24 PMmagentaritaVery good...
I can take it from here.

Good job!