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10 cards from this deck
Sum approaches infinity as n→∞n \to \inftyn→∞
Sum approaches a finite limit as n→∞n \to \inftyn→∞
S∞=a1−rS_{\infty} = \frac{a}{1-r}S∞=1−ra
∣r∣<1|r| < 1∣r∣<1
rn→0r^n \to 0rn→0
Diverges
111
−1<r<1-1 < r < 1−1<r<1
Sum to infinity of a geometric series
999
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