Problem 3: Integration via the Substitution Method ( 16 points) Evaluate each of the following. Explain and show your work. You do not need to simplify your final answer. a)
(8
points
)∫ 0
3
ㅌㅣ
​
​
(2e 5t
+3) 2
3e 5t
​
dt
VALUE: b) (8 points)
∫( sin 2
(t 2
)+1
tcos(t 2
)
​
)dt