a). For this part I got an ice cream cone shape. I tried drawing it on Matlab, but I kept getting red error messages!Let be the three dimensional region defined by .

a). Sketch the region

b). Evaluate

Hint: It may be helpful to use spherical polar coordinates.

This ice cream cone has and .

I found this helpful for part b).!

b). Is the required integral ?

Also, is there an easier way to write this integral???