Practice problem
Find the sum of the following infinite geometric series 9−3+1−13+…9-3+1-\frac{1}{3}+\dots9−3+1−31+…
274\frac{27}4427
307\frac{30}7730
183\frac{18}3318
112\frac{11}2211
Type a concept, like “slope” or “photosynthesis”.
