- #1
ChelseaL
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Given that the sum of the first n terms of series, s, is 9-3^{2-n}
Find the sum of infinity of s.
Do I use the formula S_{\infty} = \frac{a}{1-r}?
Find the sum of infinity of s.
Do I use the formula S_{\infty} = \frac{a}{1-r}?
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