Simple Differential Calculus: Consider the two real functions f(x) = [x^2 + cos(x)]^2 and g(x) = a_0 + a_1 x + a_2 x^2 + a_3x^3 a.) Calculate the first derivative of (x). b.) Determine the x-values of the maxima and minima of the polynomial g(x). Simplify your final expression as much as possible.
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