1971 AHSME Problems/Problem 33
If is the product of quantities in Geometric Progression, their sum, and the sum of their reciprocals, then in terms of , and is
Solution (using answer choices)
We can just look at a very specific case: Here, and
Then, plug in values of and into each of the answer choices and see if it matches the product.
Answer choice works:
-edited by coolmath34