Prove that (coshx-sinhx)^(n)=cosh(nx)-si...

Prove that `(coshx-sinhx)^(n)=cosh(nx)-sinh(nx)`

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The correct Answer is:

`cosh(nx)-sinh(nx)`

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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-HYPERBOLIC FUNCTIONS -EXERCISE - 9(a)

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