Question

calc iii length of curve question

Answer 1

i've re-done the integral and derivative several times but the length of curve portion is still wrong >_>

Answer 2

@nuts

Answer 3

not sure how you're getting a t^3 term

Answer 4

The trig simplifies to 4(t^2+1) and the k term simplifies to 4*(2t), resulting in \(\sqrt{4(t^2+2t+1)}=2\sqrt{(t+1)^2}\) etc

Answer 5

erm pi^2+2pi

Answer 6

this is what I ended up with as my integral

Answer 7

ya you forgot the square root

Answer 8

... ah. >> thank you

Answer 9

also just want to point out that if it weren't for those tutorials i wouldn't actually know how to help you lol

Answer 10

i don't remember any of this stuff....

Answer 11

Yep, this is definitely wholesome. Brightened my morning. Good work Inky.