If A 1 , A 2 be two AM’s and G 1 , G 2 be two GM’s between two numbers a and b, then A_ 1…
Mathematics · JEE Main · NTA Exams — Progression and Series
If A1, A2 be two AM’s and G1, G2 be two GM’s between two numbers a and b, then \(\frac{A_{1}+A_{2}}{G_{1} G_{2}}\) is equal to
- \(\frac{a+b}{2 a b}\)
- \(\frac{2 a b}{a+b}\)
- \(\frac{a+b}{a b}\)
- \(\frac{a b}{a+b}\)
Answer
(C) a+b a b
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