જો $u = \sin^{-1} \sqrt{\frac{x^2 + y^2}{x + y}}$ હોય,તો $x u_x + y u_y$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $\frac{1}{2} \tan u$
  • D
    $\frac{1}{2} \sin u$

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Similar Questions

જો $u(x, y)=y \log x+x \log y$ હોય,તો $u_x u_y-u_x \log x-u_y \log y+\log x \log y$ ની કિંમત શું થાય?

જો $u = (x^2 + y^2 + z^2)^{3/2}$ હોય,તો $\left( \frac{\partial u}{\partial x} \right)^2 + \left( \frac{\partial u}{\partial y} \right)^2 + \left( \frac{\partial u}{\partial z} \right)^2 = $

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

જો $u = \tan^{-1}\left(\frac{x^3 + y^3}{x - y}\right)$ હોય,તો $x\frac{\partial u}{\partial x} + y\frac{\partial u}{\partial y} = $

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