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MHT CET 2022 Mathematics question

MathematicsApplication of DerivativesMHT CET 2022

If the function , for some is increasing in and decreasing in . Then a root of the equation is

Answer: (C)

Solution

. Since increases before and decreases after it, is a point of local maximum, so : . Then (and , which is positive on and

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Question ID VK-097031