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Math Help - Find the first 6 terms of the sequence a1=-2 an=2*an-1

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    Find the first 6 terms of the sequence a1=-2 an=2*an-1

    Find the first 6 terms of the sequence a1=-2 an=2*an-1 The answers are -2 -4 -8 -16 -32 -64


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    Last edited by mr fantastic; May 10th 2010 at 04:03 AM. Reason: Re-titled.
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    Quote Originally Posted by ToXic01 View Post
    Find the first 6 terms of the sequence a1=-2 an=2*an-1 The answers are -2 -4 -8 -16 -32 -64


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    a_2 = 2 a_1 = 2 (-2) = -4 etc.
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