The parametric equations x=2acot(θ),y=2asin2(θ) describe the curve known as the witch of Maria Agnesi. With a=9, suppose this curve is rotated about the x-axis. Estimate the area of the resulting surface using Simpson's Rule with n=4. Make sure your answer is correct to three decimal places.   It says that all three of these answers: 1793.778, 8518.694, 8527.338 is incorrect.

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