Question: How do I get Maple to calculate line intergals?

I am fairly new to Maple 10 but not to math and graphing calculators. I was wondering if anyone knows how to get Maple to calulate a line integrals or even farther, closed loop intergals. I tried a bunch of different things with the contour integral but I dont even know if that is an operator but just a symbol instead. Thanks in advance to anyone who can help me out!
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