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## Homework Statement

compute

I=∫_2^∞ (1/(x(x-2)^.5)) dx

using the calculus of residues. be sure to choose an appropriate contour and to explain what happens on each part of that contour.

## Homework Equations

transform to a complex integral

I= ∮ (1/(z(z-2)^.5)) dz

## The Attempt at a Solution

i don't even know where to really begin. i keep ending up dividing by zero