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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

⇒ a1 a2 a3 a4 a5 = 45