Question

Hwo do we do part b its 3 parts only

Answer 1

Given :

`y=4+(4)/(u)`

Find: differentiation of y with respect to u

Explanation:

`\begin{gathered} y=4+(4)/(u) \\ (dy)/(du)=0-(4)/(u^2) \\ (dy)/(du)=(-4)/(u^2) \end{gathered}`

Final answer:

`(dy)/(du)=(-4)/(u^2)`