1. Parts of this problem are not related. [5] (a) Find f'( ) using logarithmic differentiation f(x) = xsin2na, where n is a fixed natural number. [5] (b) The graph of g(x) and h(x) are straight lines, as given below. Evaluate the following derivatives: 1. If F(x) = g(x + h(x)), find F'(1). 2. If G(x) = cos(h(x)), find m' (0). g(z)