01! [Maximum mark: 19] a! it Write down f'(x) iil' Find the equation 01 the normal to the curve of for) at (2. 3) iii.-' This normal intersects the curve of f at (2.3) and at one another point P. Find the x-ceordinate of P [9] Part of the graph of f(x) is given below: ' Jr' b! Let R be the region under the curve of {(x) from x = -1 to x = 2 . it Write down an expression for the area of R. [2] iii Calculate this area. [2] c! Find it {farm [6] Give your answer in terms of x