Question

Find an infinite GP whose second term is 2/9 and the sum of infinity is 1​

Answer 1

Step-by-step explanation:

Solving using the quadratic solver (see below), we get the 2 solutions as r = 1/3 or r = 2/3

Correspondingly, a = 1 - r = 2/3 or 1/3 So there are 2 possible GP's: 1) a = 1/3, r = 2/3 i.e. 1/3,2/9,4/27 etc.

Hope this helps!!

Answer 2

Answer:

Question 765625: Find the Infinite G.P. whose second term is 2/9 and sum to infinity is unity. Solving using the quadratic solver (see below), we get the 2 solutions as r = 1/3 or r = 2/3 Correspondingly, a = 1 - r = 2/3 or 1/3 So there are 2 possible GP's: 1) a = 1/3, r = 2/3 i.e. 1/3,2/9,4/27 etc.

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