What is the fourth derivative of the function f(x) = -xe* ? What is the coefficient of the fourth term of the Taylor Series approximation for f(x) = -xex when a = 0? Oa. (1/4) Ob. (2/4!) Oc. (-1/6) Od. - 4 Using substitution, calculate the approximate value of this function at x = 0.2, using the fourth order Taylor series approximation of this function. Enter your result up to five decimal places of accuracy.

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A: The given function is                             f(x)=ax3+bx2+cx+d.

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A: The product rule of the differentiation is as follows: ddxu(x).v(x)=du(x)dx.v(x)+dv(x)dx.u(x)

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A: We are authorized to solve only 1 question, please repost remaining questions

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A: here i used Taylor's Expansion to solve this question.

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