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Korvikt [17]
3 years ago
6

What is the explicit formula for this sequence? −8, −3, 2, 7, …

Mathematics
1 answer:
hjlf3 years ago
3 0

It's an arithmetical sequence with a_1=-8,d=5

So

a_n=a_1+(n-1)d\\\\a_n=-8+(n-1)\cdot5\\\\a_n=-8+5n-5\\\\\boxed{a_n=5n-13}

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