Find the Sum of the Infinite Geometric Series $\sum _ { n = 0 } ^ { \infty } 7 \left( \frac { 1 } { 3 } \right) ^ { n }$

question 18

Multiple Choice

Find the sum of the infinite geometric series. $\sum _ { n = 0 } ^ { \infty } 7 \left( \frac { 1 } { 3 } \right) ^ { n }$

• A) \(\frac { 2 } { 21 }\)
• B) \(\frac { 2 } { 7 }\)
• C) \(- \frac { 1 } { 3 }\)
• D) \(\frac { 21 } { 2 }\)
• E) undefined

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