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11 February, 00:07

The explicit formula of an arithmetic sequence is f (n) = 3-4 (n-1)

Which term of the sequence is equal to - 65?

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Answers (1)
  1. 11 February, 03:58
    0
    18th term

    Step-by-step explanation:

    3-4 (n-1) = - 65

    -4n + 4 = - 68

    -4n = - 72

    n = 18
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