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If u=exyz u=e^{xyz} find 3uxyz \frac{\partial^{3}u}{\partial x \partial y \partial z}

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Q. If u=exyz u=e^{xyz} find 3uxyz \frac{\partial^{3}u}{\partial x \partial y \partial z}
  1. Differentiate uu: Differentiate uu with respect to xx. We have u=exyzu = e^{xyz}. The first partial derivative of uu with respect to xx is found by treating yy and zz as constants and differentiating exyze^{xyz} with respect to xx. uu00
  2. Differentiate dudx\frac{du}{dx}: Differentiate the result from Step 11 with respect to yy. Now we take the partial derivative of dudx\frac{du}{dx} with respect to yy, treating xx and zz as constants. d2udxdy=zexyz\frac{d^2u}{dx dy} = z \cdot e^{xyz}
  3. Differentiate d2udxdy\frac{d^2u}{dx dy}: Differentiate the result from Step 22 with respect to zz. Finally, we take the partial derivative of d2udxdy\frac{d^2u}{dx dy} with respect to zz, treating xx and yy as constants. d3udxdydz=exyz\frac{d^3u}{dx dy dz} = e^{xyz}

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