Question 7
ProgressionsFind the sum to infinity of the series 1/4, 1/8, 1/16 ...
- A.1/2
- B.3/5
- C.−1/5
- D.73/12
Show the answer and explanation
Answer: A (1/2)
Explanation
a = 1/4 and r = 1/2, so S∞ = a/(1 − r) = (1/4)/(1/2) = 1/2.
Find the sum to infinity of the series 1/4, 1/8, 1/16 ...
Answer: A (1/2)
a = 1/4 and r = 1/2, so S∞ = a/(1 − r) = (1/4)/(1/2) = 1/2.