Home
Class 12
MATHS
If possible , find BA and AB , where ...

If possible , find BA and AB , where
`A=[{:(2,1,2),(1,2,4):}],B=[{:(4,1),(2,3),(1,2):}]`

Text Solution

Verified by Experts

The correct Answer is:
`=[{:(9,6,12),(7,8,16),(4,5,10):}]`
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Long Answer Type Questions)|4 Videos

  • MATRICES

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Objective type Questions)|15 Videos

  • MATRICES

    KUMAR PRAKASHAN|Exercise TEXTBOOK ILLUSTRATIONS FOR PRACTICE WORK |28 Videos

  • LINEAR PROGRAMMING

    KUMAR PRAKASHAN|Exercise PRACTICE WORK|25 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - D (Answer the following questions))|2 Videos

Similar Questions

Explore conceptually related problems

Given A=[{:(2,4,0),(3,9,6):}]andB=[{:(1,4),(2,8),(1,3):}] . Is (AB)'=B'A?

Find the slope of bar(AB) , where A(2, 1), B(2, 6)

For the matrices A and B , verify that (AB)'= B'A', where (i) A=[{:(1),(-4),(3):}],B=[-1" "2" "1] (ii) A=[{:(0),(1),(2):}],B=[1" "5" "7]

Compute the indicated products : (1) [{:(3,-1,4),(2,3,1):}][{:(1,3,4),(2,1,0),(-3,2,3):}] (2) [{:(1,3),(2,1):}][{:(4),(-1):}] (3) [{:(1,4,2),(5,-2,3):}][{:(2,-4),(1,-3),(4,0):}] (4) [1" "2," "3][{:(2),(4),(6):}] (5) [{:(2),(4),(6):}][1" "2," "3]

If A=[{:(1,2,3),(2,3,1):}]andB=[{:(3,-1,3),(-1,0,2):}] , then find 2A-B .

A=[{:(2,3,-1),(1,-2,4):}]andB=[{:(1,4),(2,5),(-1,3):}] then verify that (AB) =B'A.

Evaluate |{:(2,4),(-1,2):}|

Given A=[{:(2,2,-4),(-4,2,-4),(2,-1,5):}] and B=[{:(1,-1,0),(2,3,4),(0,1,2):}] . Find A.B and use this to solve the system of equations y+2z=7,x-y=3,2x+3y+4z=17

For the matrices A and B, verify that (AB)'=B'A. (i) A=[{:(1),(3),(6):}],B=[2" "4," "5] (ii) A=[{:(5,3,-1),(2,0,4):}]B=[{:(-3,2),(2,1),(-1,0):}]

KUMAR PRAKASHAN-MATRICES -Solutions of NCERT Exemplar Problems (Short Answer Type Questions)
  1. Find A , if [{:(4),(1),(3):}]A=[{:(-4,8,4),(-1,2,1),(-3,6,3):}]

    Text Solution

    |

  2. If A=[{:(3,-4),(1,1),(2,0):}]andB=[{:(2,1,2),(1,2,4):}],then verify (B...

    Text Solution

    |

  3. If possible , find BA and AB , where A=[{:(2,1,2),(1,2,4):}],B=[{:...

    Text Solution

    |

  4. Show by an example that for AneO,BneO,AB=O.

    Text Solution

    |

  5. Given A=[{:(2,4,0),(3,9,6):}]andB=[{:(1,4),(2,8),(1,3):}]. Is (AB)'=B'...

    Text Solution

    |

  6. Solve for x and y : x[{:(2),(1):}]+y[{:(3),(5):}]+[{:(-8),(-11):}]=...

    Text Solution

    |

  7. If X and Y are 2xx2 matrices , then solve the following matrix equati...

    Text Solution

    |

  8. If A=[3" " 5],B=[7" " 3] , then find a non - zero matrix C such tha...

    Text Solution

    |

  9. Give an example of matrices A,B and C such that AB=AC, where A is nonz...

    Text Solution

    |

  10. If A=[{:(1,2),(-2,1):}],B=[{:(2,3),(3,-4):}]andC=[{:(1,0),(-1,0):}] ve...

    Text Solution

    |

  11. If P=[{:(x,0,0),(0,y,0),(0,0,z):}]andQ=[{:(a,0,0),(0,b,0),(0,0,c):}], ...

    Text Solution

    |

  12. If [[2" "1" "3][{:(-1,0,-1),(-1,1,0),(0,0,1):}]*[{:(1),(0),(-1):}]=A f...

    Text Solution

    |

  13. If A=[2" "1],B=[{:(5,3,4),(8,7,6):}]andC=[{:(-1,2,1),(1,0,2):}], veri...

    Text Solution

    |

  14. If A=[{:(1,0,-1),(2,1,3),(0,1,1):}] , then verify that A^(2)+A=A(A+I)...

    Text Solution

    |

  15. If A=[{:(0,-1,2),(4,3,-4):}]andB=[{:(4,0),(1,3),(2,6):}] then verify ...

    Text Solution

    |

  16. If A=[{:(1,2),(4,1),(5,6):}],B=[{:(1,2),(6,4),(7,3):}], then verify th...

    Text Solution

    |

  17. Show that A'A and A A ' are both symmetric matrices for any matrix A .

    Text Solution

    |

  18. Let A and B be square matrices of the order 3xx3 . Is (AB)^(2)=A^(2)B^...

    Text Solution

    |

  19. Show that if A and B are square matrics such that AB=BA , then (A+B)^(...

    Text Solution

    |

  20. Let A=[{:(1,2),(-1,3):}],B=[{:(4,0),(1,5):}],C=[{:(2,0),(1,-2):}]and a...

    Text Solution

    |