# Math Help - About the y-axis?

Find volume of the solid formed by revolving the region bounded by $y=x^2+1, y=0, x=0$, and $x=1$ about the y-axis

2. Originally Posted by Selim
Find volume of the solid formed by revolving the region bounded by $y=x^2+1, y=0, x=0$, and $x=1$ about the y-axis
cylindrical shells ...

$V = 2\pi \int_0^1 x(x^2+1) \, dx$

3. $2\pi\int(x)(x^2+1)$ ?