JEE Advanced2007MathematicsSequences and SeriesActual
Paragraph: Let A₁, G₁, H₁ denote the arithmetic, geometric and harmonic means respectively, of two distinct positive numbers. For n 2 , let A_ n-1 and H_ n-1 has arithmetic, geometric and harmonic means as A_n, G_n, H_n , respectively. Question: Which of the following statements is correct?
Options
- AH ₁> H ₂> H ₃>
- BH₁ < H₂ < H₃ <
- CH₁>H₃>H₅> and H₂ < H₄ < H₆ <
- DH ₁ H ₄> H ₆>
Correct answer
B. H₁ < H₂ < H₃ <
Step-by-step solution
As above A₁>H₂>H₁, A₂>H₃>H₂ H₁ < H₂ < H₃ <