यदि $z = y + f(v)$,जहाँ $v = \frac{x}{y}$ है,तो $v \frac{\partial z}{\partial x} + \frac{\partial z}{\partial y}$ का मान क्या है?

  • A
    $-1$
  • B
    $1$
  • C
    $0$
  • D
    $2$

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Similar Questions

यदि $u = x y^2 \tan^{-1}\left(\frac{y}{x}\right)$ है,तो $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ का मान ज्ञात कीजिए।

यदि $u=f(r)$, जहाँ $r^2=x^2+y^2$ है, तो $\left(\frac{\partial^2 u}{\partial x^2}+\frac{\partial^2 u}{\partial y^2}\right)$ का मान क्या होगा?

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?

यदि $u \equiv u(x, y) = \sin(y + ax) - (y + ax)^2$ है,तो यह क्या दर्शाता है?

यदि ${z^2} = \frac{{x^{1/2} + y^{1/2}}}{{x^{1/3} + y^{1/3}}}$ है,तो $x\frac{{\partial z}}{{\partial x}} + y\frac{{\partial z}}{{\partial y}} = $

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