SOLUTION: The sum of the first tow terms of a geometric sequence is 100 time the first term. What is the common ratio?

Question 1003493: The sum of the first tow terms of a geometric sequence is 100 time the first term. What is the common ratio?

Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
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What do these words mean: "the first tow terms"?

Re-write and re-submit.

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Comment from student: The sum of the first two terms of a geometric sequence is 100 times the first term. What is the common ratio?
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OK. So, we have

a + a*q = 100*a,

where a is the first term of the geometric progression and q is the common ratio.

Divide both sides of this equation by a. You will get

1 + q = 100.

Hence, q = 100 - 1 = 99.

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