Home
Class 12
MATHS
LetA(1),G(1),H(1) denote the arithmetic,...

Let`A_(1),G_(1),H_(1)` denote the arithmetic, geometric and harmonic means respectively, of two distinct positive numbers. For `nge2`, let `A_(n-1),G_(n-1)" and "H_(n-1)` has arithmetic,geometric and harmonic means as `A_(n),G_(n),H_(n)` respectively.
Which of the following statement is correct?

A

`H_(1)gtH_(2)gtH_(3)gt"......."`

B

`H_(1)ltH_(2)ltH_(3)lt"......."`

C

`H_(1)gtH_(3)gtH_(5)gt"......." " and " H_(2)ltH_(4)ltH_(6)lt"......."`

D

`H_(1)ltH_(3)ltH_(5)lt"......."" and " H_(2)gtH_(4)gtH_(6)gt"......."`

Text Solution

Verified by Experts

The correct Answer is:
B

As above`A_(1)gtH_(2)gtH_(1),A_(1)gtH_(3)gtH_(2)`
`:.H_(1)ltH_(2)ltH_(3)lt"......"`
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    ARIHANT MATHS ENGLISH|Exercise Exercise (Subjective Type Questions)|24 Videos
  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS ENGLISH|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos
  • SETS, RELATIONS AND FUNCTIONS

    ARIHANT MATHS ENGLISH|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos

Similar Questions

Explore conceptually related problems

Let A_1 , G_1, H_1 denote the arithmetic, geometric and harmonic means respectively, of two distinct positive numbers. For n >2, let A_(n-1),G_(n-1) and H_(n-1) has arithmetic, geometric and harmonic means as A_n, G_N, H_N, respectively.

If A_1, A_2, G_1, G_2, ; a n dH_1, H_2 are two arithmetic, geometric and harmonic means respectively, between two quantities aa n db ,t h e na b is equal to A_1H_2 b. A_2H_1 c. G_1G_2 d. none of these

If A_(1) , A_(2) , A_(3) , G_(1) , G_(2) , G_(3) , and H_(1) , H_(2) , H_(3) are the three arithmetic, geometric and harmonic means between two positive numbers a and b(a gt b) , then which of the following is/are true ?

If H_(1) and H_(2) are two harmonic means between two positive numbers a and b (a != b) , A and G are the arithmetic and geometric menas between a and b , then (H_(2)+H_(1))/(H_(2)H_(1)) is

Let a_(1), a_(2) ...be positive real numbers in geometric progression. For n, if A_(n), G_(n), H_(n) are respectively the arithmetic mean, geometric mean and harmonic mean of a_(1), a_(2),..., a_(n) . Then, find an expression for the geometric mean of G_(1), G_(2),...,G_(n) in terms of A_(1), A_(2),...,A_(n), H_(1), H_(2),..., H_(n)

If arithmetic mean of two positive numbers is A, their geometric mean is G and harmonic mean H, then H is equal to

The arithmetic mean of two positive numbers is 6 and their geometric mean G and harmonic mean H satisfy the relation G^(2)+3H=48 . Then the product of the two numbers is

Let alpha and beta be two positive real numbers. Suppose A_1, A_2 are two arithmetic means; G_1 ,G_2 are tow geometrie means and H_1 H_2 are two harmonic means between alpha and beta , then

If A_(1),A_(2),A_(3) denote respectively the areas of an inscribed polygon of 2n sides , inscribed polygon of n sides and circumscribed poylgon of n sides ,then A_(1),A_(2),A_(3) are in

Let there be a GP whose first term is a and the common ratio is r. If A and H are the arithmetic mean and harmonic mean respectively for the first n terms of the G P, AH is equal to

ARIHANT MATHS ENGLISH-SEQUENCES AND SERIES-Exercise (Questions Asked In Previous 13 Years Exam)
  1. LetA(1),G(1),H(1) denote the arithmetic, geometric and harmonic means ...

    Text Solution

    |

  2. Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...

    Text Solution

    |

  3. LetA(1),G(1),H(1) denote the arithmetic, geometric and harmonic means ...

    Text Solution

    |

  4. In a G.P of positive terms if any term is equal to the sum of the next...

    Text Solution

    |

  5. Suppose four distinct positive numbers a(1),a(2),a(3),a(4) are in G.P....

    Text Solution

    |

  6. The first two terms of a geometric progression add up to 12. The sum o...

    Text Solution

    |

  7. If the sum of first n terms of an A.P. is cn^(2) then the sum of squar...

    Text Solution

    |

  8. The sum to infinity of the series 1+2/3+6/3^2+14/3^4+...is

    Text Solution

    |

  9. Let Sk,k=1, 2, …. 100 denote the sum of the infinite geometric series ...

    Text Solution

    |

  10. Let a1, a2, a3, ,a(11) be real numbers satisfying a1=15 , 27-2a2>0 a ...

    Text Solution

    |

  11. A person is to count 4500 currency notes. Let an denote the number of ...

    Text Solution

    |

  12. The minimum value of the sum of real numbers a^-5, a^-4, 3a^-3, 1,a^8 ...

    Text Solution

    |

  13. A man saves ₹ 200 in each of the first three months of his servies.In ...

    Text Solution

    |

  14. Let a(n) be the nth term of an AP, if sum(r=1)^(100)a(2r)= alpha " and...

    Text Solution

    |

  15. Let,a1,a2a,a3,…. be in harmonic progression with a1=5 " and " a(20)=25...

    Text Solution

    |

  16. Statement 1: The sum of the series 1""+""(1""+""2""+""4)""+""(4""+""...

    Text Solution

    |

  17. If 100 times the 100 th term of an A.P with non- zero common differenc...

    Text Solution

    |

  18. If x,y,z are in AP and tan^(-1)x,tan^(-1)y,tan^(-1)z are also in AP, ...

    Text Solution

    |

  19. The sum of first 20 terms of the sequence 0.7 ,0.77 , 0.777 …., is

    Text Solution

    |

  20. Let Sn=underset(k=1)overset(4n)Sigma (-1)^((k(k+1))/2)k^2.Then Sn can ...

    Text Solution

    |