

MCQOPTIONS
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1. |
For the sequence 1, 7, 25, 79, 241, 727 … simple formula for {aₙ} is ____________ |
A. | 3ⁿ⁺¹ – 2 |
B. | 3ⁿ – 2 |
C. | (-3)ⁿ + 4 |
D. | n² – 2 |
Answer» C. (-3)ⁿ + 4 | |