Expand the quotient by partial fractions. x²+3 x² - 13x+42 ²+3 x²-13x+42 (Simplify your answer.)

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A: I am attaching image so that you understand each and every step.

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A: Please see the below picture for detailed solution.

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Q: 17. Find the volume of the solid that results when the region enclosed by y = √x, y = 0, and 2 = 9…

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Q: 15. The piecewise function -t+ 0 ≤ 2 can be expressed in terms of a Heaviside function as:

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