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part b and c (b) Given the function f(x) = xe2x. Find (i) the intervals where f (x) is concave up or down and the

part b and c

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(b) Given the function f(x) = xe2x. Find (i) the intervals where f (x) is concave up or down and the inflection points (if any). (6 marks) (ii) the extreme values using the Second Derivative Test. (5 marks) (c) Find and classify the critical point of function. (11 marks) f(x, y) = xzy-x2 WIH 13

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