Yeah, that looks good except that ln(9/8) + ln(7/8) = ln(9/8 * 7/8) = ln(63/64)
I think I did this correctly, but Webassign does not like my answer. Can someone please check my work? Thanks!! Molly
Find the arc length for:
on
* If it looks good up to here, I think I may be botching the evaluation:
Am I combining those log correctly? I'm drawing a blank.
Thanks!! Molly
is still not correct in webassign.
I think I just have a negative missing or something. Any ideas?
Ok, so because of the negative in front of the first one, I divide. Got it! THanks!
Well, I thought I had it.
is not right in webassign. I don't get it.