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15. In an inc...

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15. In an increasing G.P., the sum of the first and the last term is 66, the product of the second and the last but one term is 128, and the sum of all the terms is 126, then the number of terms in the progression is equal to

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Q. The sum of the first and the last term of an increasing geometric progression is

66

, the product of the second and the last but one term is

128

and the sum of all its terms is

126

. How many terms are there in the progression?

Q. In an increasing geometric progression, the sum of the first term and the last term is

66

, the product of the second terms from the beginning and the end is

128

and sum of all terms is

126

. Then the number of terms in the progression is

Q. In an increasing geometric progression, the sum of the first term and the last term is

66

, the product of the second terms from the beginning and the end is

128

and sum of all terms is

126

. Then the number of terms in the progression is

Q. In an increasing

G . P

, the sum of the first and the last term is

66

, the product of the second term and the second last term is

128

, and the sum of all the term is

126

. How many terms are there in the progression?

Q.
In an AP, the sum of the first term and the last term is equal to the sum of the second term and the second last term and so on.

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