12 A curve has equation \(y = 6 x \sqrt { x } + \frac { 32 } { x }\) for \(x > 0\)
12
- Find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\)
[0pt]
[4 marks]
12 - The point \(A\) lies on the curve and has \(x\)-coordinate 4
Find the coordinates of the point where the tangent to the curve at \(A\) crosses the \(x\)-axis.
[0pt]
[5 marks]