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    Polar Coordinates

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    By changing to polar coordinates, evaluate SSR (x+y) dA where R is the disk of radius 4 centered at the origin.

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    Solution Preview

    I = integration(over disk area)[(x+y)dA]
    For disk of radius R = 4,
    x = r*cos(T)
    y = r*sin(T)
    where, r is the distance of the point (x,y) from the origin and T is the angle of radial ...

    Solution Summary

    A double integral is found using polar coordinates. The solution is concise.