1.

Evaluate xy dxdy over the positive quadrant of the circle x2+y2=a2.

A. ( frac{a^4}{8} )
B. ( frac{a^4}{4} )
C. ( frac{a^2}{8} )
D. ( frac{a^2}{4} )
Answer» B. ( frac{a^4}{4} )


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