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18 November, 11:14

The nth term of a sequence is 8 - n. a) work out the first three terms of the sequence b) work out the value of the first negative term of the sequence

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  1. 18 November, 13:31
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    see explanation

    Step-by-step explanation:

    To calculate the first 3 terms substitute n = 1, 2, 3 into the n th term formula

    (a)

    8 - 1 = 7

    8 - 2 = 6

    8 - 3 = 5

    The first 3 terms are 7, 6, 5

    (b)

    The first negative term wii occur when n > 8, that is n = 9, thus

    8 - 9 = - 1 ← first negative term
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