The range of values of x for which f(x) = x^3 + 6x^2 - 36x + 7 is increasing in

MHT CET 2023 Mathematics question

The range of values of x for which is increasing in

Answer: (A)

. The function is increasing where , i.e. , which holds for or . So is increasing in \cup$ (2,

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Question ID VK-094618