Asked by richie
what is S10 for the series -5+10-20+40...
I tried the forluma you showed me but my calculator says error
I tried the forluma you showed me but my calculator says error
Answers
Answered by
oobleck
oh please
r = -2
S10 = -5 ((-2)^10 - 1)/(-2-1) = -5(1023)/(-3) = 1705
r = -2
S10 = -5 ((-2)^10 - 1)/(-2-1) = -5(1023)/(-3) = 1705
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