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JEE Advanced Mathematics question

MathematicsApplication of DerivativesJEE Advanced

If then the minimum value of is

Answer: (D)

Solution

Let . For , , and . So

f= x+ x+\operatorname{cosec}2x=s+Missing argument for \frac\frac1{-1}, 1<sMissing argument for \sqrt\sqrt2.

=1-.

On we have and , so

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Question ID VK-107834