$125-871)$

Exam

Cof $10$

This test $10$ p

This questers:

Let R be the region bounded by the flolowing curves. Find the wolume of the sold generated whan lie in revolved about the s$-$axis.

$y=\frac{x}{2},y=e^{-\frac{x}{2}},x=ln8,x=ln10$

Set up the integral that glues the vilume of the solld.

$$

${\displaystyle \underset{ln}{\overset{\phantom{}}{}}}$

$$

$dx$

$($Type exact answer$)$

The watere of the tielse it $$ nutionis.

$($Type an exact answer$)$