11. The diagram shows part of the curve y= and Q. The line y = 4 intersects the curve at the points P
(i) Show that the tangents to the curve at P and Q meet at a point on the line y = x. y P [6] 6° 2 y=4 X
Find, showing all necessary working, the volume obtained when the shaded region is rot through 360° about the x-axis. Give your answer in terms of л.
