medium · GMAT Quant
A high-frequency signal amplitude l_n is generated via l_1 = 4, l_2 = 2, and l_n = 5l_n-1 - 3l_n-2 for n ≥ 3.
What is the value of l_5?
- -322
- -86
- -74
- -16
- 74
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