Question

@TuringTest

Answer 1

i think that problem has a typo; what the heck is R(t) ?

Answer 2

anyway, no that's not right
can you try to show your work please?

Answer 3

over the interval 0-3 6t/1+2t

Answer 4

=3- 3/1+2t

Answer 5

good so far?

Answer 6

i don't understand what happened to the 6 on top

Answer 7

oh

Answer 8

which equals 0.081

Answer 9

yeah thats a typo, R(t) should be D(t)

Answer 10

This integral requires integration by parts as far as I can tell.
I don't understand what happened to the numerator... you substituted u=1+2t ?

Answer 11

well if i did it wrong can you correct me, kinda why im here..

Answer 12

did you try long division?

Answer 13

this doesn't require integration by parts

Answer 14

ah yeah, i always forget about that

Answer 15

lol

Answer 16

also for some reason your 6 became a -3