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P.T tanh3x=(3tanhx+tanh^(3)x)/(1+3tanh^(...

P.T `tanh3x=(3tanhx+tanh^(3)x)/(1+3tanh^(2)x),AAx inR`

Text Solution

Verified by Experts

The correct Answer is:
`(3tanhx+tanh^(3)x)/(1+3tanh^(2)x)=R.H.S`
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