જો $z=\log (\tan x+\tan y)$ હોય,તો $(\sin 2 x) \frac{\partial z}{\partial x}+(\sin 2 y) \frac{\partial z}{\partial y}$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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Similar Questions

જો $u=f(r)$,જ્યાં $r^2=x^2+y^2$ હોય,તો $\left(\frac{\partial^2 u}{\partial x^2}+\frac{\partial^2 u}{\partial y^2}\right)$ ની કિંમત શું થાય?

જો $u = \tan^{-1}(\frac{y}{x})$ હોય,તો આઈલરના પ્રમેય મુજબ $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ ની કિંમત શું થાય?

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

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 $u = x y^2 \tan^{-1}\left(\frac{y}{x}\right)$ હોય,તો $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ ની કિંમત શોધો.

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