Pan3 a) Use a computer algebra system to evaluate the following integrals. i_ 1111de ii_ lenxdx iii. 1 lenxdx iv_ IXBIDXdX V. Ix7111xdx b) Based on the pattern of your responses in part (a), guess the value of I x"]nxdx c) Use integration by parts to prove if the guess that you made in part (b) is correct. For what values of n is it not valid