SOLUTION: e^x-10e^-x=3

Question 256889: e^x-10e^-x=3
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
e^x-10e^-x=3
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Not it's a quadratic in e^x
(e^x - 5)*(e^x + 2) = 0
e^x = 5
x = ln(5)
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e^x = -2 Ignore this one.

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