यदि $F(u) = f(x, y, z)$, $x, y, z$ में $n$ घात का एक समघात फलन है, तो $x\frac{\partial u}{\partial x} + y\frac{\partial u}{\partial y} + z\frac{\partial u}{\partial z} = $

  • A
    $nu$
  • B
    $n F(u)$
  • C
    $\frac{n F(u)}{F'(u)}$
  • D
    इनमें से कोई नहीं

Explore More

Similar Questions

यदि $u(x, y)=y \log x+x \log y$ है,तो $u_x u_y-u_x \log x-u_y \log y+\log x \log y$ का मान क्या होगा?

$\begin{aligned} & f(x, y)=2(x-y)^2-x^4-y^4 \\ & \left|\left(f_{x x} f_{y y}-f_{x y}^2\right)\right|_{(0,0)} \end{aligned}$

यदि $u=e^{x^2-y^2}$ है,तो

यदि $u = e^{-x^2 - y^2}$ है,तो

यदि $u = u(x, y) = \sin(y + ax) - (y + ax)^2$ है, तो निम्नलिखित में से कौन सा सत्य है?

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