Question

$$\frac{ 4 }{ 5 } { x }^{ 4 } { y }^{ 3 } z- \frac{ 7 }{ 8 } { y }^{ 3 } z { x }^{ 4 } + \frac{ 7 }{ 12 } z { x }^{ 4 } { y }^{ 3 }$$

Evaluate

$\frac{61zy^{3}x^{4}}{120}$

Show Solution

Differentiate w.r.t. x

$\frac{61z\left(xy\right)^{3}}{30}$