Home
Class 12
MATHS
यदि A = [{:(5,-1),(6,7)]"ओर " B = [ {...

यदि ` A = [{:(5,-1),(6,7)]"ओर " B = [ {:(2,1),(3,4):}]`
तो सिद्ध करे कि `AB != BA`

Text Solution

Verified by Experts

The correct Answer is:
`[(7,1),(22,34)]`.
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MODERN PUBLICATION|Exercise Exercise 3 (d) Long Answer Type Questions I|28 Videos

  • MATRICES

    MODERN PUBLICATION|Exercise Exercise 3 (d) Long Answer Type Questions II|2 Videos

  • MATRICES

    MODERN PUBLICATION|Exercise Exercise 3 (c ) Long Answer Type Questions|3 Videos

  • LINEAR PROGRAMMING

    MODERN PUBLICATION|Exercise Chapter Test|12 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise MOCK TEST SECTION D|6 Videos

Similar Questions

Explore conceptually related problems

If A = [{:(1,2),(3,4):}] and B = [{:( 4, 3),(6,7):}] , then (AB) ^(-1) =

If A[{:(3,-4),(1,1),(2,0):}] and B=[{:(2,1,2),(1,2,4):}] , then verify AB = BA or not?

2) If A=[(1,2),(5,7)],B=[(2,1),(3,4)] , find AB.

If A=[{:(2,-1),(3,4),(1,5):}]" and "B=[{:(-1,3),(2,1):}] , find AB. Does BA exist?

If A=[{:(5,4),(2,3):}]" and "B=[{:(3,5,1),(6,8,4):}] , find AB and BA whichever exists.

if A=[{:(4,0,-3),(1,2,0):}]and B=[{:(2,1),(1,-2),(3,4):}]' then find AB and BA.

If A = [{:(5, 6), (9, 9):}], B= [{:(1, 3), (p, 3):}] and AB = BA, then p=_____.

If A=[{:(2,-1,3),(-4," "5,1):}]" and "B=[{:(2,3),(4,-2),(1,5):}] then find AB and BA. Show that ABneBA.

if A=[{:(1,2,3),(4,5,6):}]and B=[{:(-3,-2),(0,1),(-4,-5):}], then find AB and BA ,

Given A=[{:(2,4,0),(3,9,6):}] "and" B=[{:(1,4),(2,8),(1,3):}] , is (AB)=B'A'?

MODERN PUBLICATION-MATRICES-Exercise 3 (d ) Short Answer Type Questions
  1. If P=[(0,1,0),(0,2,1),(2,3,0)],Q=[(1,2),(3,0),(4,1)], find PQ.

    Text Solution

    |

  2. If I is the identity matrix and A is a square matrix such that A...

    Text Solution

    |

  3. If A=[1 0-1 7] and I=[1 0 0 1] , then find k so that A^2=8A+k I

    Text Solution

    |

  4. if A=[{:(costheta,sin theta ),(-sin theta,costheta):}], then show that...

    Text Solution

    |

  5. If A=[(2,-3,1),(-2,3,4)] and B=[(2,5),(3,1),(4,2)], then Find AB

    Text Solution

    |

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

    Text Solution

    |

  7. यदि A = [{:(5,-1),(6,7)]"ओर " B = [ {:(2,1),(3,4):}] तो सिद्ध कर...

    Text Solution

    |

  8. Evaluate the following : (i) [(4),(5)][7" "9]+[(4,0),(0,-5)] (ii)...

    Text Solution

    |

  9. If [ (2x, 3)] [(1,2),(-3,0)][(x),(8)]=0, find 'x'

    Text Solution

    |

  10. for what values of x: [1" "2" "1][{:(1,2,0),(2,0,1),(1,0,2):}][{:(...

    Text Solution

    |

  11. find x, if [x" "-5" "-1][{:(1,0,2),(0,2,1),(2,0,3):}][{:(x),(4),(1)...

    Text Solution

    |

  12. Find the values of 'a' and 'b' for which the following hold : [(3,2)...

    Text Solution

    |

  13. Let A=[(2,4),(1,-3)] and B=[(1,-1,5),(0,2,6)] (a) Find AB. (b) Is BA...

    Text Solution

    |

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

    Text Solution

    |

  15. Show that AB = BA in each of the following cases: (i) A=[{:(costheta...

    Text Solution

    |

  16. show that (i) [{:(5,-1),(6,7):}][{:(2,1),(3,4):}]ne[{:(2,3),(3,4):}...

    Text Solution

    |

  17. Show with the help of an example that AB=O whereas BA!=O, where O is a...

    Text Solution

    |

  18. Give an example of three matrices A ,\ B ,\ C such that A B=A C but...

    Text Solution

    |

  19. If A=[(5,2),(-1,2)] and I=[(1,0),(0,1)] show that : (A-3I)(A-4I)=O

    Text Solution

    |

  20. If A=[(2,0,1),(2,1,3),(1,-1,0)], then find (A^(2)-5A)

    Text Solution

    |