Chapter 5.6, Problem 1MP

As needed, use a computer to plot graphs and to check values of integrals.

Find the volume inside the cone $z^2=x^2+y^2$, above the $\left(x,y\right)$ plane, and between the spheres $x^2+y^2+z^2=1$ and $x^2+y^2+z^2=4$.

Hint: Use spherical coordinates.