Home
Class 12
MATHS
IF a(1),a(2),a(3),"...."a(10) be in AP a...

IF `a_(1),a_(2),a_(3),"...."a_(10)` be in AP and `h_(1),h_(2),h_(3),"...."h_(10)` be in HP. If `a_(1)=h_(1)=2` and `a_(10)=h_(10)=3`, then find value of `a_(4)h_(7)`.

A

2

B

3

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    BITSAT GUIDE|Exercise BITSAT ARCHIVES|18 Videos
  • RECTANGULAR COORDINATES AND STRAIGHT LINE

    BITSAT GUIDE|Exercise BITSAT ARCHIVES|16 Videos
  • SETS, RELATIONS AND FUNCTIONS

    BITSAT GUIDE|Exercise BITSAT Archives|19 Videos

Similar Questions

Explore conceptually related problems

Let a_(1),a_(2),...,a_(10) be in A.P.and h_(1),h_(2),h_(10) be a_(1)=h_(1)=2 and a_(10)=h_(10)=3, then a_(-)4h_(7) is 2 b.3 c.5 d.6

Let a_(1),a_(2),a_(3)......... be in A.P. and h_(1),h_(2),h_(3)......, in H.P. If a_(1)=2=h_(1), and a_(30)=25=h_(30) then a_(7)h_(24)+a_(14)+a_(17)=

The numbers h_(1),h_(2),h_(3),h_(4),...,h_(10) are in harmonicprogression and a_(1),a_(2),...,a_(10) are in arithmetic progression.If a_(1)=h_(1)=3 and a_(7)=h_(7)=39, thenthe value of a_(4)xx h_(4) is

If a_(1),a_(2),a_(3),".....",a_(n) are in HP, than prove that a_(1)a_(2)+a_(2)a_(3)+a_(3)a_(4)+"....."+a_(n-1)a_(n)=(n-1)a_(1)a_(n)

a_(1),a_(2),a_(3),......,a_(n), are in A.P such that a_(1)+a_(3)+a_(5)=-12 and a_(1)a_(2)a_(3)=8 then

BITSAT GUIDE-SEQUENCES AND SERIES -BITSAT ARCHIVES
  1. If p, q, r and s are positive real numbers such that p+ q + r + s = 2,...

    Text Solution

    |

  2. Sum of the series 1 + 2.2 + 3.2^(2) + 4.2^(3)+…+ 100.2^(99) is

    Text Solution

    |

  3. Find the sum to n terms of the series 5 + 55 + 555 + ...

    Text Solution

    |

  4. If a, b c are in GP and a^((1)/(x)) =b^((1)/(y)) =c^((1)/(z)), then x...

    Text Solution

    |

  5. The sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15...

    Text Solution

    |

  6. The sum of 0.2 +0.22+0.222+ … to n terms is equal to

    Text Solution

    |

  7. If AM and HM between two numbers are 27 and 12 respectively, then thei...

    Text Solution

    |

  8. The value of (2)/(1!) + (2+4)/(2!) + (2+4+6)/(3!) + … is

    Text Solution

    |

  9. IF a(1),a(2),a(3),"...."a(10) be in AP and h(1),h(2),h(3),"...."h(10) ...

    Text Solution

    |

  10. Let n is a rational number and x is a real number such that |x|lt1, th...

    Text Solution

    |

  11. The HM of two numbers is 4. If their arithmetic mean A and geometric m...

    Text Solution

    |

  12. For any integer n ge 1, the sum sum(k=1)^(n) k (k + 2) is equal to

    Text Solution

    |

  13. In DeltaABC, if (1)/(b+c)+(1)/(c+a)=(3)/(a+b+c), then C is equal to

    Text Solution

    |

  14. What is the sum of n terms of the series sqrt(2)+sqrt(8)+sqrt(18)+sqrt...

    Text Solution

    |

  15. Find the sum of the series 1 . 3^(2) + 2.5 ^(2) + 3.7^(2) +…+ to n t...

    Text Solution

    |

  16. If a = log(2)3, b = log(2) 5 and c = log(7)2, then log(140) 63 in term...

    Text Solution

    |

  17. When 2^(31) is divided by 5 the remainder is

    Text Solution

    |

  18. Let alpha, beta, gamma and delta be four positive real numbers such t...

    Text Solution

    |