(8) Change the following integral to spherical coordinates. Do not evaluate the integral. [S 2 a a². a²-y²-² a²-y²-x² (x²z+y²z+z³)dzdxdy.

(x² + y² )d.xdy. 3y 1. Convert the following double integral to polar coordinates and then evaluate:

14. Convert the integral to spherical coordinates and evaluate the integral. V49 - x? V49 – x2 - y? 7 x² + y 2 + z dzdydx

Convert the following integral to polar coordinates  ∫-30 ∫0sqrt(9-x²)  xy² / sqrt(x²+y²) dydx