If x = a(+), y = a(1-) then d^2y/dx^2 is equal to: Option 1: ^2.1/2 Option 2: ^2(/2)2a(1+) Option 3: 2^2/1+ Option 4: /2(1+)

The answer is '^2(/2)2a(1+)'. View full solution:

CUET Mathematics - If x = a(+), y = a(1-) then d^2y/dx^2 is equal to: | PYQs + Solutions

CUET Mathematics 2026 25th May Shift 1

Calculus

Hard

core

$\sec^2\theta.\dfrac{1}{2}$

$\dfrac{\sec^2\left(\dfrac{\theta}{2}\right)}{2a(1+\cos\theta)}$

$\dfrac{2\sec^2\theta}{1+\cos\theta}$

$\dfrac{\sec\theta\tan\theta}{2(1+\cos\theta)}$

✅ Correct Option: 2

Related questions:

22 May Shift 3

The given function $f(x) = [x]$ is discontinuous at :

30 May Shift 3

If $f(x) = \begin{cases} \frac{k\cos x}{\pi - 2x}, & x \neq \frac{\pi}{2} \\ 3, & x = \frac{\pi}{2} \end{cases}$ is continuous at $x = \frac{\pi}{2}$ , then k is :

30th May Shift 2

Match List-I with List-II

List-I	List-II
(A) $\frac{d}{dx}(\sqrt{\sin x})$	(I) $\frac{-\sin x}{2\sqrt{\cos x}}$
(B) $\frac{d}{dx}(\sqrt{\cos x})$	(II) $-\sin 2x$
(C) $\frac{d}{dx}(\sin^2 x)$	(III) $\frac{\cos x}{2\sqrt{\sin x}}$
(D) $\frac{d}{dx}(\cos^2 x)$	(IV) $\sin 2x$

Choose the correct answer from the options given below:

CUET Mathematics 2026 25th May Shift 1 PYQs

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