# Compute the total mass of a wire bent in a quarter circle

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Compute the total mass of a wire bent in a quarter circle with parametric equations:

x = 7 cost, y = 7 sint, where 0 < t < pi/2

and density function rho(x,y) = x^2 + y^2

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The solution shows how to compute the total mass of a wire bent in a quarter circle with parametric equations.

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