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6 April, 00:56

Find the 15th term of the geometric sequence 3,-12,48,.

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Answers (2)
  1. 6 April, 02:18
    0
    F (x) = 3 * (-4) ^n

    f (15) = 3 * (-4) ^15

    f (15) = 3 ( - 1073741824)

    f (15) = - 3 221 225 472
  2. 6 April, 04:42
    0
    805306368

    The answer is 3 x (-4) ^14

    So if odd it's negative 15 position has exponential of 14 because we start with 0
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