If A 1 , A 2 are two AM’s between two numbers a and b, then (2A 1 – A 2 ) (2A 2 – A 1 )…

Mathematics · JEE Main · NTA Exams — Progression and Series

1. a + b
2. \(\frac{a b}{a+b}\)
3. ab
4. none of these

Answer

(C) ab

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