What is the radius of a circle with center (2, 5) and equation x^2 + y^2 = 25?
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Question: Evaluate β«(0 to Ο/4) xcos^2(x) dx using the Fundamental Theorem of Calculus.
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What are the characteristics of the ellipse function with center (3,-2), major axis of length 10, minor axis of length 6, and foci at (2,-2) and (4,-2)?