How can I calculate these integral problems in matlab?

Can't figure out how to do these integral problems in matlab.. =\

[Chad Love]

these problems.. sorry for messing up the post

[KSSV]

Same question:

http://in.mathworks.com/matlabcentral/answers/309007-can-t-figure-out-how-to-do-these-integral-problems-in-matlab

[Roger Stafford]

The integral in part b) is divergent - that is, its value is infinity.

Answer 1

[Zunaib]

couldn't get your question clearly, can you make it clear?