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Valentin [98]
3 years ago
8

Find the sum of the first 56 terms of the sequence {-8,-1, 6, ...}.

Mathematics
1 answer:
torisob [31]3 years ago
4 0

Answer:

Step-by-step explanation:

S56=56/2[2(-8)+(56-1)7]

S56=10332

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