1.

If int(2e^(x)+3e^(-x))/(3e^(x)+4e^(-x))dx=Ax+B log(3e^(2x)+4), then

Answer»

`A=-(3)/(4), B=(1)/(24)`
`A=(3)/(4), B=-(1)/(24)`
`A=(1)/(4), B=(1)/(24)`
`A=-(3)/(4), B=(1)/(4)`

Answer :B


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