A. 9 r^2 = 4 ... r = √(4/9) = 2/3
B. f * 2/3 = 9 ... f = 27/2
C. how many terms?
The second and forth term of an exponential sequence (G .P) of positive term are 9 and 4 respectively. Find the
A. Common ratio
B. First term
C. Sum of the first terms of the sequence
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