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10 questions from this quiz
The sum can approach a finite value
Sum approaches a certain value; has limit
−1<r<1-1 < r < 1−1<r<1
S∞=a1−rS_{\infty} = \frac{a}{1-r}S∞=1−ra
272727
No, it diverges
Never; they tend to ±∞\pm\infty±∞
59\frac{5}{9}95
13\frac{1}{3}31
rnr^nrn approaches 000
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