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14 August, 01:46

Find the 4th term in the sequence with the following definition: a1=-2 an an=2an-1-3

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  1. 14 August, 01:50
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    4th term = - 5.

    Step-by-step explanation:

    a1 = 2

    an = 2an-1 - 3

    So a2 = 2*2 - 3 = 1

    and a3 = 2*1 - 3 = - 1

    and a4 = 2*-1 - 3 = - 5.
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