JEE MATHEMATICS MCQ: DIFFERENTIATION

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Application +4 | -1

Let

y

be an implicit function of

x

defined by

x^{2 x}-2 x^{x} \cot y-1=0

. Then

y^{\prime}(1)

equals

View answer and explanation

Correct option: A

-1

The correct answer is A (-1) because it is the value of the derivative y'(1) obtained after implicit differentiation and substitution.

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x

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