0580 P22 - Jun 2025 - Q21 - 9 marks
10952
The graph of \(y=3x-x^3\) crosses the x-axis at A, O and B. Its turning points are P and Q.
(a) Find the exact x-coordinates of A and B. [3]
(b(i)) Differentiate \(3x-x^3\). [2]
(b(ii)) Find P and Q. [4]