16. The sum to infinity of the progression 9 -3 +1 -1/3+...is
(a) 9
(b) 9/2
(c) 27/4
(d) 15/2
Answers
Answered by
2
Answer:
options c is the correct answer please thank my all question and follow
Answered by
0
Answer:
c) 27/4
Given series is a GP.
Here a = 9
r = -1/3
Sum of infinite terms of GP, Sn = a/(1-r)
= 9/(1+1/3)
= 9/(4/3)
= 27/4
Hence option (3) is the answer.
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