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5 May, 17:53

Consider the following geometric sequence - 5,10, - 20,40 if the explicit formula for the sequence above is expresses in a form an=b x c^n-1, determine the values of b and c

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  1. 5 May, 18:18
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    B=-5 and c=-2. b is the first term in the sequence and-2 Is the common ratio of the sequence.
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