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15 January, 12:44

Find the 88th term of the arithmetic sequence 4,-1,-6

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  1. 15 January, 13:01
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    an = a1 + d (n - 1)

    a88 = 4 + (-5) (88 - 1)

    a88 = 4 + (-5) (87)

    a88 = 4 - 435

    a88 = - 431

    So, the 88th term of the arithmetic sequence is - 431.
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