The figure shows the curve \(y = x^2\) and the straight line \(2x + y = 15\). Find

- the co-ordinates of \(P\) and \(Q\),
- the area of the shaded region.

The figure shows the curve \(y = x^2\) and the straight line \(2x + y = 15\). Find

- the co-ordinates of \(P\) and \(Q\),
- the area of the shaded region.