Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
plot int (1) dz dr du, z=(-r²) to (r²cos(u)sin(u)+1), r=0 to 1, u=0 to 2pi
plot int (1) dz dr du, z=(-r²) to (r²cos(u)sin(u)+1), r=0 to 1, u=0 to 2pi
Natural Language
Math Input