If $u = e^{-x^2 - y^2}$,then

  • A
    $x u_x = y u_y$
  • B
    $y u_x = x u_y$
  • C
    $y u_x + x u_y = 0$
  • D
    $x^2 u_y + y^2 u_x = 0$

Explore More

Similar Questions

If $u = \sin^{-1} \sqrt{\frac{x^2 + y^2}{x + y}}$,then $x u_x + y u_y$ is

Difficult
View Solution

If $u = x y^2 \tan^{-1}\left(\frac{y}{x}\right)$,then $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ is equal to

If $z = \frac{y}{x} \left[ \sin \frac{x}{y} + \cos \left( 1 + \frac{y}{x} \right) \right]$, then $x \frac{\partial z}{\partial x}$ is equal to

If $u=\log \left(x^3+y^3+z^3-3 x y z\right)$,then $(x+y+z)(u_x+u_y+u_z)$ is equal to

If $z = \sec^{-1}\left(\frac{x^4+y^4-8x^2y^2}{x^2+y^2}\right)$, then $x \frac{\partial z}{\partial x} + y \frac{\partial z}{\partial y}$ is equal to

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