How did you get this integral?
Hi again,
I just used up 2 attempts on my assignment and it was wrong so I think I set up the integral wrong. Any help is appreciated:
The region bounded by y= 5 and y= x+(4/x)is rotated about the line x= -1 Find the volume of the resulting solid by any method.
I set up my integral as:
I tried to draw the graph and form the integral from it, is this the right direction?
Well I set it up visually from what my drawing looked like.
Hmm, if this is indeed the correct integral, then maybe I'm calculating it wrong. My answer was -2pi(-9+[4ln(4)]) but it was marked wrong. I will attempt it again tomorrow morning to see if I get a different answer. But I am glad that the integral was correct as this is the hardest part of the problem :P