WBJEE 2025 Math Paper

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Question : 68 of 75

Marks: +1, -0

Let f(x)=x3,x∈[−1,1]. Then which of the following are correct?

f′ has a minimum at x=0.
f′ has the maximum at x=1.
f′ is continuous on [−1,1].
f′ is bounded on [−1,1].

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