Question 2 Rajah 3 menunjukkan garis lurus y = x -1 menyentuh lengkung y 2 = 4x-8 pada titik A. Diagram below shows the straight line y = x -1 touches the curve y 2 = 4x-8 at point A. A V= x- 1 V2 = 4x - 8 Cari Find (a) koordinat titik A, [2 markah] the coordinates ofpoint A, [2 marks] (b) luas kawasan berlorek. [4 markah] the area of shaded region, [4 marks] (c) isipadu kisaran, dalam sebutan It, apabila rantau berlorek dikisarkan 360 pada paksi-x. [4 markah] the volume of revolution, in terms of a, when the shaded region is revolved through 360 about the x-axis. [4 marks]