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Mathematics 13 Online
OpenStudy (anonymous):

Solve the exponential equation: e^-x= 5^2x completely lost on this please help.

OpenStudy (cwrw238):

take logs of both sides ln e^-x = ln 5^2x -x = 2x ln 5

OpenStudy (cwrw238):

2x ln5 + x = 0 x = 0 is one real solution

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