જો $z = y + f(v)$,જ્યાં $v = \frac{x}{y}$ હોય,તો $v \frac{\partial z}{\partial x} + \frac{\partial z}{\partial y}$ ની કિંમત શું થાય?

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

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Similar Questions

જો $f(x, y) = \frac{\cos(x - 4y)}{\cos(x + 4y)}$ હોય, તો $\left. \frac{\partial f}{\partial x} \right|_{y = \frac{x}{4}}$ ની કિંમત શોધો:

જો $u = \log_e(x^2 + y^2) + \tan^{-1}\left(\frac{y}{x}\right)$ હોય,તો $\frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} = $

જો $z = \sec^{-1}\left(\frac{x^4+y^4-8x^2y^2}{x^2+y^2}\right)$ હોય, તો $x \frac{\partial z}{\partial x} + y \frac{\partial z}{\partial y}$ ની કિંમત શોધો.

જો $F(u) = f(x, y, z)$ એ $x, y, z$ માં $n$ ઘાત ધરાવતું સમપરિમાણીય વિધેય હોય, તો $x\frac{\partial u}{\partial x} + y\frac{\partial u}{\partial y} + z\frac{\partial u}{\partial z} = $

જો $u = u(x, y) = \sin(y + ax) - (y + ax)^2$ હોય, તો નીચેનામાંથી શું સાચું છે?

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