Home
Class 12
MATHS
The harmonic mean of two numbers is -(8)...

The harmonic mean of two numbers is `-(8)/(5)` and their geometric mean is 2 . The quadratic equation whose roots are twice those numbers is

A

`x^(2) + 5x + 4 = 0 `

B

`x^(2) + 10x + 16 = 0 `

C

`x^(2) - 10x + 16 = 0 `

D

`x^(2) - 5x + 4 = 0`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • AP EAMCET ENGINEERING ENTRANCE EXAM ONLINE QUESTION PAPER 2019 (SOLVED)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|80 Videos

  • AP EAMCET SOLVED PAPER 2018 ( 23-04-2019,SHIFT -1)

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|39 Videos

Similar Questions

Explore conceptually related problems

The quadratic equation whose roots are 2,3 is…

Form quadratic equation whose roots are : 2,5

The quadratic equation whose roots are -2 and -3 is…

The quadratic equation whose roots are -3 and -4 is …

The Harmonic mean of the numbers 2,3,4 is

Form quadratic equation whose root -3 pm 5i

Form quadratic equation whose roots are : -3 pm 5i

Form a quadratic equation whose roots are k and 1/k

Form quadratic equation whose root 7 pm 2sqrt(5)

TS EAMCET PREVIOUS YEAR PAPERS-AP EAMCET ENGINEERING ENTRANCE EXAM QUESTION PAPER 2017 (SOLVED)-Mathematics
  1. The lines y = 2x + sqrt(76) and 2y + x = 8 touch the ellips (x^(2))...

    Text Solution

    |

  2. The equation of the pair of lines through the point (2,1) and perpend...

    Text Solution

    |

  3. The harmonic mean of two numbers is -(8)/(5) and their geometric mea...

    Text Solution

    |

  4. If z is a complex number with |z|ge 5 . Then the least value of |z +...

    Text Solution

    |

  5. Delta ABC is formed by a (1,8,4), B (0, -11,4) and C(2,-3,1) . If D...

    Text Solution

    |

  6. For the function f(x) = (x-1) (x-2) difined on [0,(1)/(2)], the valu...

    Text Solution

    |

  7. A container is the shape of an inverted cone. Its height is 6m and rad...

    Text Solution

    |

  8. If the roots of the equation x^(3) - 7x^(2) + 14x - 8 = 0 are in ...

    Text Solution

    |

  9. If the mean and variance of a binomial variate X are (4)/(3),(8)/(9) ...

    Text Solution

    |

  10. If alpha is a non-real root of x^(7) = 1 then alpha (1 + alpha)(1 +...

    Text Solution

    |

  11. If cot (cos^(-1) x) = sec {tan^(-1) ((a)/(sqrt(b^(2)-a^(2))))}:bgt a,...

    Text Solution

    |

  12. In Delta ABC, L, M, N are points on BC, CA, AB respectively , dividi...

    Text Solution

    |

  13. The point to which the orgine is to be shifted to remove the first d...

    Text Solution

    |

  14. If alpha , beta, gamma are the lengths of the tangents from the ver...

    Text Solution

    |

  15. If int(0)^(10)f (x) dx = 5 "then" underset(k=1)overset(10)sumint(0)^(1...

    Text Solution

    |

  16. The angle between the tangents drawn from the point (1,2) to the ellip...

    Text Solution

    |

  17. If lx+ my = 1 is a normal to the hyperbola (x^(2))/(a^(2)) - (y^(...

    Text Solution

    |

  18. int(x^(e-1)+e^(x-1))/(x^(e)+e^(x))dx=

    Text Solution

    |

  19. If Delta =|{:(" "1,cos theta,1),(-cos theta," "1,cos theta),(-1,-costh...

    Text Solution

    |

  20. The equation of the circle whose diameter is the common chord of the...

    Text Solution

    |