Question 5 (a) Find the Taylor series expansion (up to the first 4 non-zero terms) of the function f (x) = Vx + 8 about the point a = 0. Use the series to estimate V8.01, up to 5 significant figures. (10 marks) (b) Find the point(s) on the graph of y = x2 + x closest to the point (2,0). Explain your answer. (10 marks)