3 Mathematics Investigation QUESTION 1 1.1 Consider the following series from (a) to (1) and use your calculator to calculate each of the series. Write your answers correct to 6 decimal places on the table provided in your ANSWER SHEET. A few examples are provided in the tables below with series (a), (b), (e) and (1) (a ) S. = 1+3+9+ (b) S. = 9+3+1+ (c) S. = 256 +128 +64 + 5. = 1-2+4-8+ S,= 1 1 1 1 + + 2 4 8 16 See 0 ( 1 S. =-1+ 3 9

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