Home
Class 12
MATHS
If A=[[1, 0, 2], [2, 4, 5]] and B=[[1, 2...

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

`[[-3, 0, -6], [2, 4, 5]]`

B

`[[-2, 4, -7], [2, 5, 4]]`

C

`[[2, -1, 3], [-3, 5, 4]]`

D

`[[1, -1, 3], [1, 6, 1]]`

Text Solution

Verified by Experts

The correct Answer is:
B
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, 0, 2], [2, 4, 5]] , then 3R_1 on A gives

If A=[[2,-1,5] , [4,0,3]] and B=[[-2,3,1] , [-1,2,-3]] then find A'+B'

If A=[[1],[2],[3]]" and "B=[[-5,4,0],[0,2,-1],[1,-3,2]] , then find BA

If A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] find AB and BA.

If A=[[1,2,-3] , [5,0,2] , [1,-1,1]] and B=[[3,-1,2] , [4,2,5] , [2,0,3]] then find matrix C such that A+2C=B

If A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] , verify that (AB)\'=B\'A\'

If A=[[1,-2,3],[-4,2,5]] & B=[[1,3],[-1,0],[2,4]] then verify that (AB)'=B'A'

If A=[[1,-2,3],[-4,2,5]] , B=[[1,3],[-1,0],[2,4]] then verify that (AB)'=B'A'

If A = [[-1, 2 ,3],[-1, 0, 2],[1, -3, 1]] and B = [[4,5,6],[-1, 0, 1], [2,1,2]], find 4A-3B

If A=[[2,1,3],[4,1,0]], B=[[1,-1],[0,2],[5,0]] , verify that (AB)\'=B\'A\'

NIKITA PUBLICATION-MATRICES-MULTIPLE CHOICE QUESTIONS
  1. If A=[[1, 0, 2], [2, 4, 5]], then 3R1 on A gives

    Text Solution

    |

  2. If A=[[1, 2, -1], [0, 1, 3]], then 2C2 on A gives

    Text Solution

    |

  3. If A=[[1, 0, 2], [2, 4, 5]] and B=[[1, 2, -1], [0, 1, 3]], then the ad...

    Text Solution

    |

  4. If A=[[1, -1, 3], [2, 3, 4]], then R1 to R1 -R2 on A gives

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |