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OpenStudy (anonymous):
Evaluate the series -3+6+12+24-...-a7
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OpenStudy (anonymous):
what's a7? @Mitch2014
OpenStudy (anonymous):
I think it would be 1
OpenStudy (anonymous):
what do you mean by it would be 1? Isn't there a reason for why its a7? I mean is it like the 7th term in the series or something?
OpenStudy (anonymous):
one sec let me give you the formula
OpenStudy (anonymous):
|dw:1375807594718:dw|
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OpenStudy (anonymous):
@Mitch2014 I know the formula but how many terms are you summing up?
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