Find an explicit expression for tanh^-1x in terms of the logarithm function ln.

Could anyone explain how to solve this. Cheers thanks v much.

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- Jan 8th 2009, 11:49 AMHarisHyperbolic functions
Find an explicit expression for tanh^-1x in terms of the logarithm function ln.

Could anyone explain how to solve this. Cheers thanks v much. - Jan 8th 2009, 12:14 PMOpalg
- Jan 8th 2009, 12:36 PMDeMath
Can find this method

Let .

Then

.

So .