Here's the problem:

7e^(-2t) - 5e^(-5t) + 4e^(-6t) = 0

Solve for t.

I've tried to solve it a few ways (taking the natural log) but each leads to a dead end.

Please help!

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- Jul 14th 2007, 08:47 PMjutexponents and e problem
Here's the problem:

7e^(-2t) - 5e^(-5t) + 4e^(-6t) = 0

Solve for t.

I've tried to solve it a few ways (taking the natural log) but each leads to a dead end.

Please help! - Jul 14th 2007, 09:13 PMKrizalid
Factorise by

Then you tell us... - Jul 14th 2007, 10:22 PMjut
I factored out a but that didn't seem to help.

I am left with :

- Jul 14th 2007, 11:52 PMCaptainBlack