The first answer is 67.4352 I believe. The second answer is 142.08 I think. Simplify is another term for evaluate!
Answer: i dunno what '.......' was suppose to mean but 11 + 15 + 19 + 83 = 128
Step-by-step explanation: b more specific dood -_-
ANSWER 1
Note that,

is the same as

We apply the product rule.

So we keep the second function and differentiate the first,plus we keep the first function and differentiate the second.

Recall that,
If

Then,

This implies that,

ANSWER 2
We apply the product rule and the chain rules of differentiation here.


Recall that,
If

Then,

This implies that,



