Question

"Find the volume of the solid of revolution generated when the curve y = sqrt(x) between x = 0 and x = 3 is rotated about the x-axis."

Answer 1

I was wondering if I've done this correctly.

Answer 2

Except
\[
\int x dx = \frac {x^2} 2
\]

Answer 3

Oh yeah! I forgot to integrate it! Thanks for that. :)

Answer 4

YW