Q1 of 176 Page 21

Mark the correct alternative in each of the following:

If in an infinite G.P., first term is equal to 10 times the sum of all successive terms, then its common ratio is


Sum of infinite terms is given by


⇒


According to the question


⇒ 10(s∞-a)= a


∴


⇒


⇒ 11-11r = 10


⇒

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