help with integration (1 Viewer)

[Heinz]

Can someone please tell me where my error is? Its excercise 33b, question 23 of 4u fitzpatrick.

woah, error on the second last line as well, should be pi(sqrt3)/6

 

[wogboy]

woah, error on the second last line as well, should be pi(sqrt3)/6

Yes that's the correct answer (pi*sqrt[3]/6), and you solved the integration properly. Looks like the answer is wrong at the back of your textbook. (I used Maple, a mathematics program, to make sure)