Let C be the curve $y=\frac{e^{2x}{e}^{-2x}}{4},$ for $0\mathrm{.}9z1\mathrm{.}6.$ A graph containing C follows.

Ping the surface area of revolution about the $x-$axis of $C.$

First find and simplity $\sqrt[\phantom{2}]{1y^2}.$

Now find surface area $-$

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