Possible Duplicate:
Simpler way to compute a definite integral without resorting to partial fractions?
How to evaluate the following integral using complex method? $\int_0^\infty {x \over 1 + x^5} \;dx $
Possible Duplicate:
Simpler way to compute a definite integral without resorting to partial fractions?
How to evaluate the following integral using complex method? $\int_0^\infty {x \over 1 + x^5} \;dx $