if the common ratio of a gp is 2/3 and sum to infinity is 12 find the first term .
a) 4
b) 2
c) 9
d) 0
Answers
Answered by
0
Answer:
4
Step-by-step explanation:
The sum of an infinity gp is a/(1-r)
where a is the first term and r is the common difference
So a/(1-2/3) = 12
3a/(1) = 12
which implies a = 4
Answered by
0
Answer:
if the common ratio of a gp is 2/3 and sum to infinity is 12 find the first term .
Step-by-step explanation:
a) 4
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