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22 July, 08:32

Find the first four (4) terms of the sequence if An = (4) an-1 and a1 = 3

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  1. 22 July, 11:21
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    3, 12, 48, 192

    Step-by-step explanation:

    To find the first 4 terms substitute n = 2, 3, 4 into the recursive formula, that is

    a₂ = 4a₁ = 4 * 3 = 12

    a₃ = 4a₂ = 4 * 12 = 48

    a4 = 4a₃ = 4 * 48 = 192

    Thus the first 4 terms of the sequence are 3, 12, 48, 192
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