# Evaluate double integral of x/(x^2+y^2)dA, where R is the region that lies between the circles x^2+y^2=a^2 and x^2+y^2=b^2 with 0

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- Evaluate double integral of x/(x^2+y^2)dA, where R is the region that lies between the circles x^2+y^2=a^2 and x^2+y^2=b^2 with 0

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Anonymous27214

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