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Solve:

e^4x = 120

I did ln4x = ln 120
divided both sides by ln 4 and got 3.4534. Is this correct?

1 answer

I disagree

e^(4x) = 120
ln[e^(4x)] = ln120
4x( ln e) = ln 120 , since ln e = 1
4x = ln 120
x = ln 120/4 = 1.1969

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