Let f(x) = x + 10x + 3x^2 + x^3, -2 x 3. The absolute minimum value of f(x) is

JEE Advanced Mathematics question

Let , . The absolute minimum value of is

Answer: (B)

f'(x) = -ππ x + 10 + 6x + = 3(x+ + 7 - π π x 0 + 7 - π > 0 .

So is stric

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Question ID VK-109428