Q. 115.0( 1 Vote )

If the third term of a G.P is 2, then the product of first 5 terms is
A. 52

B. 25

C. 10

D. 15

Answer :

2 = arn-1 = ar3-1 = ar2


Product of the first five terms = axarxar2xar3xar4


This can be rewritten as a5r10 or (ar2)5


So, Product of the first five terms is 25


Hence the correct option is B.

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