SOLUTION: If the fifth term of a geometric progression is -2 and the seventh term is -8, what is the first term? thanks
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Question 974742: If the fifth term of a geometric progression is -2 and the seventh term is -8, what is the first term? thanks
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
a, ar, ar^2, ar^3, -2, ar^5, -8, ....
or .
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