Difference between revisions of "1959 AHSME Problems/Problem 12"
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Latest revision as of 13:27, 16 June 2020
By adding the same constant to a geometric progression results. The common ratio is:
Solution
Suppose that the constant is . Then is a geometric progression, so . Expanding, we get ; therefore, , so .
Now we can calculate our geometric progression to be . Therefore, the common ratio is , and our answer is .