Exact area of the region between the curves e to the x and e to the minus x up to a vertical line

Exact area of the region between the curves e to the x and e to the minus x up to a vertical line

4 marks

The region \(R\) is bounded by the curves \(y=e^x\) and \(y=e^{-x}\) and the line \(x=\ln3\). Find the exact area of \(R\).[4]

Solution:

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Answer:\(\frac43\)

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