hard · GMAT Quant
A microchip clock speed sequence generates frequency offsets p_n where p_1 = 3, p_2 = 4, and p_n = p_n-1 - p_n-2 for all integers n ≥ 3.
What is the sum of the first 12 terms, sum_k=1^12 p_k?
- 0
- 7
- 8
- -1
- 12
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