(Q:5) The 3rd and 8th term of a GP are 1/3 and 81, respectively. Find the 2nd term.
Α.
3
B. 1
C
1/27
D.
1/9
Answers
Answered by
6
Answer:
Correct option (d) 1/9
Step-by-step explanation:
3rd term ar2 = 1/3, 8th term ar7 = 81
r5 =243 Gives us: r = 3.
Hence, the second term will be given by (3rd term/r)
= 1/3 1/3 = 1/9.
[Note: To go forward in a G.P. you multiply by the common ratio, to go backward in a G.P. you divide by the common ratio.]
Answered by
1
Answer:
(d) 1/9
Step-by-step explanation:
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