Home
Class 12
MATHS
The sum of three numbers is 20. Three t...

The sum of three numbers is 20. Three times the first number added to the sum of second and third is 46. Twice the third number added to the first is 23. Find the numbers using matrices.

Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    PRADEEP PUBLICATION|Exercise EXERCISE|342 Videos

  • CONTINUITY AND DIFFERENTIABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|788 Videos

  • DIFFERENTIAL EQUATIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|507 Videos

Similar Questions

Explore conceptually related problems

The sum of three times a number and 11 is 32. Find the number.

The sum of the first n odd number is :

The sum of three numbers in G.P. is 42. If the first two numbers are increased by 2 and third is decreased by 4, the resulting numbers form A.P. Find the numbers of G.P.

The sum of first 30 natural numbers is:

The product of two numbers is 56. When their sum is added to the sum of their squares, we get 128. Find the numbers.

PRADEEP PUBLICATION-DETERMINANTS-EXERCISE
  1. Show that the system of eqations 3x - y + 4z = 3, x + 2y - 3z = -2, 6x...

    Text Solution

    |

  2. Find a quadratic function defined by the equation: f(x) = ax^2 + bx + ...

    Text Solution

    |

  3. The sum of three numbers is 20. Three times the first number added to...

    Text Solution

    |

  4. Use product : {:[(1,-1,2),(0,2,-3),(3,-2,4)][(-2,0,1),(9,2,-3),(6,1,-2...

    Text Solution

    |

  5. A school wants to award its students for regularity and hard work with...

    Text Solution

    |

  6. Two schools P and Q want to award their selected students on the value...

    Text Solution

    |

  7. km and the cost of refreshment is Rs.4280.Find : The amount which has ...

    Text Solution

    |

  8. Two factories decided to award their employees for three values of (a)...

    Text Solution

    |

  9. Two factories decided to award their employees for three values of (a)...

    Text Solution

    |

  10. Two factories decided to award their employees for three values of (a)...

    Text Solution

    |

  11. Solve the following systems of homogenous equations: {:(9x - 5y= 0),...

    Text Solution

    |

  12. Solve the following systems of homogenous equations: {:(x cos theta ...

    Text Solution

    |

  13. Solve the following systems of homogenous equations: {:(x + 2y = 0),...

    Text Solution

    |

  14. Solve the following systems of homogeneous linear equations: {:(x-3y...

    Text Solution

    |

  15. Solve the following systems of homogenous equations: {:(6x - 7 y + 8...

    Text Solution

    |

  16. Solve the following systems of homogenous equations : {:(x+y - z = 0...

    Text Solution

    |

  17. Solve the following systems of homogenous equations: {:(x+y +z = 0),...

    Text Solution

    |

  18. Solve the following systems of homogenous equations: {:(3x+y-2z=0),(...

    Text Solution

    |

  19. Solve the following systems of homogenous equations: {:(2x - 3y - z ...

    Text Solution

    |

  20. Find the value of lambda for whih the homogenous system of equations: ...

    Text Solution

    |