Find the area under the graph off over the interval [1,4]. x+7, for x ≤2 f(x) = 11-x, for x>2 The area is (Type an integer or a simplified fraction.)

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A: This question is based on Partial diffrentiation.

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A: We will solve this question by first calculating the radius of convergence of the series.

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Q: 3. Stan tan³ 3x sec ¹ 3x dx

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