Sequences and Series 5 Question 4
4.
If
(1998, 2M)
(a) AP
(b) HP
(c) GP
(d) None of these
Show Answer
Answer:
Correct Answer: 4. (b)
Solution:
- Let the common ratio of the GP be
. Then,
Let
Then,
and
Therefore,
If
(1998, 2M)
(a) AP
(b) HP
(c) GP
(d) None of these
Correct Answer: 4. (b)
Solution:
Let
Then,
and
Therefore,
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