# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2004 | Oct-Nov | (P1-9709/01) | Q#2

Question Find      i.       the sum of the first ten terms of the geometric progression 81, 54, 36, . . .    ii.       the sum of all the terms in the arithmetic progression 180, 175, 170, . . . , 25. Solution i.   From the given information, we can compile following data for Geometric Progression (G.P) ; Expression for Common […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2004 | May-Jun | (P1-9709/01) | Q#1

Question A geometric progression has first term 64 and sum to infinity 256. Find      i.       the common ratio    ii.       the sum of the first ten terms. Solution i.   From the given information, we can compile following data for Arithmetic Progression (A.P); Expression for the sum to infinity of the Geometric Progression (G.P) when  or ; ii.   Sum of […]