Home
Class 12
MATHS
If A=[[1, 2, -1], [3, -2, 5]], then firs...

If `A=[[1, 2, -1], [3, -2, 5]]`, then first `R_1 harr R_2` and then `C_1 to C_1+2C_3` on A gives

A

`[[-1, 2, -1], [13, -2, 5]]`

B

`[[3, -2, 5], [1, 2, -1]]`

C

`[[-1, 2, -1], [13, -2, 5]]`

D

`[[13, -2, 5], [-1, 2, -1]]`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LINEAR PROGRAMMING

    NIKITA PUBLICATION|Exercise MCQs|101 Videos

  • MHT-CET 2017

    NIKITA PUBLICATION|Exercise MCQ|50 Videos

Similar Questions

Explore conceptually related problems

If A==[[1, -1, 3], [2, 1, 0], [3, 3, 1]] , then first 3R_3 and then C_3 to C_3 +2C_2 on A gives

If A = [[1,-1,3] , [2,1,0] , [3,3,1]] then apply R_1 rarr R_2 and then C_1 rarr C_1 +2C_3 on A

If A= [{:(1," 2",-1),(3,-2," 5"):}] , then R_(1) harr R_(2) and C_(1) rarr C_(1) + 2C_(3) given

If A=[[1, -1, 3], [2, 3, 4]] , then R_1 to R_1 -R_2 on A gives

If A=[[1, 0], [-1, 3]] , then R_1 harr R_2 on A gives

If A=[[1, 0, 2], [2, 3, 4]] , then C_1 to C_1 +C_3 on A gives

If A=[[5, 4], [1, 3]] , then C_1 harr C_2 on A gives

If A=[[1, 0, 2], [2, 4, 5]] and B=[[1, 2, -1], [0, 1, 3]] , then the addition of matrices obtained by -3R_1 on A and 2C_2 on B gives.

A=[[1,0-1,3]],R_(1)harr R_(2)

[(1,3,-2),(-3,0,-5),(2,5,0)] =A [(1,0,0),(0,1,0),(0,0,1)] then, C_(2) rarr C_(2)-3C_(1) and C_(3) rarr C_(3) +2C_(1) gives

NIKITA PUBLICATION-MATRICES-MULTIPLE CHOICE QUESTIONS
  1. If A=[[1, -1, 3], [2, 3, 4]], then R1 to R1 -R2 on A gives

    Text Solution

    |

  2. If A=[[1, 0, 2], [2, 3, 4]], then C1 to C1 +C3 on A gives

    Text Solution

    |

  3. If A=[[1, 2, -1], [3, -2, 5]], then first R1 harr R2 and then C1 to C1...

    Text Solution

    |

  4. IfA==[[1, -1, 3], [2, 1, 0], [3, 3, 1]], then first 3R3 and then C3 to...

    Text Solution

    |

  5. The co-factor of -4 and 9 in [[-1, -2, 3], [-4, -5, -6], [-7, 8, 9]] ...

    Text Solution

    |

  6. The co-factor of elements of the second row of [[1, 2, 3], [-4, 3, 6],...

    Text Solution

    |

  7. If A=[[5, 6, 3], [-4, 3, 2], [-4, -7, 3]], then co-factor of the eleme...

    Text Solution

    |

  8. The co-factors of the elements of second row of the [[1, 3, -2], [4, -...

    Text Solution

    |

  9. The co-factors of the elements of third row of [[1, -1, 2], [3, 1, 4],...

    Text Solution

    |

  10. The co-factors of the elements of the first column of [[1, 1, -2], [2,...

    Text Solution

    |

  11. The co-factors of the elements of third column of [[4, 3, 1], [1, 3, 2...

    Text Solution

    |

  12. If A=[[1, 2, 3], [2, 3, 2], [1, 2, 2]], then

    Text Solution

    |

  13. Matrix of co-factors of the matrix [[-1, 2],[ -3, 4]] is

    Text Solution

    |

  14. Matrix of co-factors of the matrix [[1,2],[ 3, 4]] is

    Text Solution

    |

  15. Matrix of co-factors of the matrix [[1, 3],[ 4, -1]] is

    Text Solution

    |

  16. Matrix of co-factors of the matrix [[1, -1, 2], [-2, 3, 5], [-2, 0, -1...

    Text Solution

    |

  17. Matrix of co-factors of the matrix [[1, 0, 2], [-2, 1, 3], [0, 3, -5]]...

    Text Solution

    |

  18. If A=[[2, 1], [4, 2]], then

    Text Solution

    |

  19. If A=[[1, 0],[0, 1]], then

    Text Solution

    |

  20. If A=[[1, 1],[1, 1]], then

    Text Solution

    |