I have no idea how to do it but Wolfram|Alpha is pretty cluey.
IF I entered the right input in then maybe you get the right output. 295.331
http://www.wolframalpha.com/input/?i=y%3Dpi*integral_0.6%5E2+3.7%5E%281.2x%5E2%29
I'll give myself a tick but if Alan says it is wrong I will take it away again. Does that sound fair? ![]()