# Thread: turning point problem

1. ## turning point problem

please help with this question

A curve with gradient function $2x-\frac{16}{x^3}$ has a turning point at $(p,5)$

a)Find the value of $p$

very appreciate with who can solve this problem.

2. Originally Posted by mastermin346
please help with this question

A curve with gradient function $2x-\frac{16}{x^3}$ has a turning point at $(p,5)$

a)Find the value of $p$

very appreciate with who can solve this problem.
Set the gradient function or dy/dx be 0.

3. can u do with step by step sir??i get the anwer but my answer not correct!

4. Originally Posted by mastermin346
can u do with step by step sir??i get the anwer but my answer not correct!
Please show all your work.