3.77: Stationary point and shaded area under a curve

0606/23/O/N/21 — Question 8 · 10 marks

3.77 diagram
(a)
Find the coordinates of the stationary point on the curve y=5x1+2xy = \dfrac{5}{x - 1} + 2x.
[5]
(b)
Given that the curve and the line 2y=9x2y = 9x intersect at the point (2, 9)(2,\ 9), find the area of the shaded region.
[5]