Exercise 4 Given the double integral: 2 |e** dxdy. a) Make a figure showing the integration area of the double integral l in the xy plane. Use this to show that the integral can be rewritten as 2 x2 I = dydx. 0 0 b) Calculate the integral I. (Hint: (ex?) = 3x²ex®)

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A: These questions follow from definition of a Function. We explain them in detail in the next step.

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A: Solution :-