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9 June, 17:23

Use the information given to identify the a9 term of the geometric sequence: a2 = 3, r = - 1

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  1. 9 June, 18:56
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    -3

    Step-by-step explanation:

    a₁ = a₂/r = 3 / (-1) = -3

    a₉ = a₁ · r⁸ = - 3 · (-1) ⁸ = - 3 · 1 = - 3
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