Q. 115.0( 1 Vote )

If the third term of a G.P is 2, then the product of first 5 terms isA. 52B. 25C. 10D. 15

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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