Section A (33 marks) 2. An infinite geometric series is given by (a) Find the values of for which the series has a finite sum. x (b) When = 1.2, find the minimum number of terms needed to give a sum which is x greater than 1.328. (6 marks) 3. The of for is shown. , On the set of axes provided, sketch the graph of clearly showing any asymptotes and indicating the coordinates of any local maxima or minima. (5 marks)
Section A (33 marks) 2. An infinite geometric series is given by (a) Find the values of x for which the series has a finite sum. (b) When x = 1.2, find the minimum number of terms needed to give a sum which is greater than 1.328. (6 marks) 3. The of for is shown. On the set of axes provided, sketch the graph of , clearly showing any asymptotes and indicating the coordinates of any local maxima or minima. (5 marks)
2013-IBHL-Sem-1-Paper-21.docx