Question
Question: The third term of a G.P. is 4, the product of the first five terms is...
The third term of a G.P. is 4, the product of the first five terms is
A
43
B
45
C
44
D
None of these
Answer
45
Explanation
Solution
Let the first five terms of the given G.P. be a1 , a2 , a3 , a4, a5 .
Hence a3 = 4. Now a1 a5 = a2 a4 = a32
ā a1 a2 a3 a4 a5 = 45