Home
Class 12
MATHS
If A=[[-1,2],[-2,1]], B=[[3,4],[2,-1]] a...

If `A=[[-1,2],[-2,1]]`, `B=[[3,4],[2,-1]]` and `A+2 X=B`, then `X`=

A

`[[2,1],[-1,-1]]`

B

`[[2,1],[2,-1]]`

C

`[[2,-1],[2,1]]`

D

`[[-2,-1],[-2,-1]]`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MATHEMATICAL REASONING

    HIMALAYA PUBLICATION|Exercise Question Bank|97 Videos

  • MAXIMA AND MINIMA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos

Similar Questions

Explore conceptually related problems

If A=[[2,3 ],[4,1]], B=[[1,2],[3,1]], then 2 A-3 B is

Let X= [[x_1],[x_2],[x_3]], A= [[1,-1,2],[2,0,1],[3,2,1]] and B= [[3],[1],[4]] and if A X=B , then X .

Let A= [[1,-1],[2,-1]] and B= [[1,a],[4,b]] . If (A+B)^2=A^2+B^2 , then (a, b)=

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

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_(0) = [[2 ,-2,-4],[-1,3,4],[1,-2,-3]] and B_(0)= [[-4,-4,-4],[1,0,1],[4,4,3]] then find A_0-B_O

If A_(0) = [[2 ,-2,-4],[-1,3,4],[1,-2,-3]] and B_(0) [[-4,-4,-4],[1,0,1],[4,4,3]] then find A_0 +B_0

If A=[(1,2,3),(2,3,1)] and B=[(3,-1,3),(-1,0,2)] , then find 2A-B .

HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
  1. Let A=[[ 1 , sin theta , 1 ],[-sin theta , 1 , sin theta],[-1 , -sin t...

    Text Solution

    |

  2. If A+B=[[1,0],[1,1]] and A-2 B=[[-1,1],[0,1]] then A=

    Text Solution

    |

  3. If A=[[-1,2],[-2,1]], B=[[3,4],[2,-1]] and A+2 X=B, then X=

    Text Solution

    |

  4. Choose the correct answer

    Text Solution

    |

  5. For how many values of x in the closed interval [-4,-1] the matrix [[3...

    Text Solution

    |

  6. If A= [(2,3),(4,6)], " then " A^(-1) =

    Text Solution

    |

  7. If A and B are square matrices of the same order, then show that (AB)^...

    Text Solution

    |

  8. The inverse of the matrix [[1 , -2],[3 ,4 ]] is

    Text Solution

    |

  9. Inverse of the matrix [[cos 2 theta,-sin 2 theta],[sin 2 theta , cos 2...

    Text Solution

    |

  10. If A=[[1 ,-1] , [-1 , 1]], then A^(2)=

    Text Solution

    |

  11. If A=[[3 ,1] , [-1 , 2]] then A^(2)=

    Text Solution

    |

  12. If A(theta) = [(cos theta ,sin theta ),(-sin theta ,cos theta )] then...

    Text Solution

    |

  13. If A= [[1,1,1],[1,1,1],[1 ,1,1]] then A^(2)=

    Text Solution

    |

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

    Text Solution

    |

  15. If [[x+y] , [x-y]]=[[2,1] , [4,3]] [[1],[-2]] then (x,y)

    Text Solution

    |

  16. If A=[[sin theta , cos theta],[-cos theta , -sin theta]] then A^(2)=

    Text Solution

    |

  17. If the order of the matrix A=4xx 3, the order of B=4xx 5 and the order...

    Text Solution

    |

  18. [[x-y, 8], [ x+y, 9]] =[[2,8],[4,9]], then (x, y)

    Text Solution

    |

  19. Let A = [[1,2],[0,1]]. Then A^(n) =

    Text Solution

    |

  20. If A=[[2,3 ],[4,1]], B=[[1,2],[3,1]], then 2 A-3 B is

    Text Solution

    |