The surface

can be parameterized by

where

and

. Then the surface integral can be computed with

We are given:

There seems to be nothing I can do to simplify this equation. However, I can factor out an
since they both have at least an
. Here is what we get:

This is in the simplest form I can get into. I cannot do anything more to simplify this expression. This is your final answer.
Answer:
Both Answers are in the following attachment (a) and (b)
Step-by-step explanation:
U need to divide 100 by the number of what’s given