Inverse function

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secor Posts: 1, Reputation: 1

New Member

#1

Apr 5, 2007, 07:08 PM

inverse function

find the inverse of Ln(2x+1)

Capuchin Posts: 5,255, Reputation: 656

Uber Member

#2

Apr 6, 2007, 02:13 AM

$y = ln(2x+1) \\<br /> e^y = e^{ln(2x+1)} \\<br /> e^y = 2x+1 \\<br /> e^y - 1 = 2x \\<br /> \frac{e^y - 1}{2} = x \\<br /> f^{-1} = \frac{e^x - 1}{2}$

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