How much work (in ft-lb) is required to pump out a swimming pool if the area of the base is 800 ft, the water is 4 ft deep, and the top is 1 ft above the water level? Assume that the weight-density of water is 62.4 lb/f 599040 ft-lb

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A: Here we express in terms of elementary function and find radius of convergence of given series.

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A: Solution is uploaded below

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A: F(x)=3x+8 G(x)=4x+6

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A: we use variable separable method to solve this differential equation.

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