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19 November, 08:40

The nth term of a sequence is n²+20

Work out the first three terms of the sequence

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Answers (1)
  1. 19 November, 11:40
    0
    21, 24, 29

    Step-by-step explanation:

    Replace n with 1, 2, and 3, and do the arithmetic.

    first term = 1² + 20 = 21

    second term = 2² + 20 = 24

    third term = 3² + 20 = 29

    The first three terms are 21, 24, 29.
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