If $y =\frac{1}{\sqrt{1- 4 \sin^2x \cos^

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Applications of Derivatives

Question:

If $y =\frac{1}{\sqrt{1- 4 \sin^2x \cos^2x}}$, then $\frac{dy}{dx}=$

Options:

$2\sec x \tan x$

$\sin 2x$

$2 \sec 2x \tan 2x$

$\cos 2x$

Correct Answer:

$2 \sec 2x \tan 2x$

Explanation:

The correct answer is Option (3) → $2 \sec 2x \tan 2x$