Attempt $3$:$8$ attempts remaining.

Follow the steps to compute the volume of the solid obtained by rotating the region bounded by

$y=x^2,$ and $,y=2x$

about the line $x=0$ using the method of disks or washers.

Give exact answers. Do not use decimals.

a$.$ Using the method of disks or washers, set up the integral.

with $a=$ and $b=$

b$.$ Calculate the integral in Part a$.$ to compute the vonsme.

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$V=$