Mathematics · Progressions & Means
Let a and b be the first and last terms of an AP, a GP, and an HP, respectively. If each progression has the same odd number of terms, what is the product of the middle terms of the AP, GP, and HP?
- 12aba + b
- 2(ab)3/2✓
- 3a + b2
- 4√ab
Correct answer
(ab)3/2
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