If $y=3 \cos (\log x)+4 \sin (\log x)$,then $x^2 y_2+x y_1=$

  • A
    xy
  • B
    $-x y$
  • C
    $-y$
  • D
    y

Explore More

Similar Questions

If $y = \frac{1}{x} + \cos 2x$, then $\frac{d^2y}{dx^2}$ is equal to

If $y = \sqrt{x^2 + 8x + 3}$, then the value of $\frac{d^2y}{dx^2}$ at $x = 3$ is

If $y = (ax + b) \cos x$,then $y_2 + y_1 \sin 2x + y(1 + \sin^2 x) = $

$f(x) = e^x \sin x$,then $f^{(6)}(x)$ is equal to :

If $x=\sin \theta$ and $y=\sin^3 \theta$,then the value of $\frac{d^2 y}{dx^2}$ at $\theta=\frac{\pi}{2}$ is:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo