Home
Class 11
MATHS
If A=[(3,2,1),(1,1,0),(2,1,-1)] and B=[(...

If A=`[(3,2,1),(1,1,0),(2,1,-1)]` and B=`[(1,0),(-1,1),(2,1)]`compute AB and BA if exists

Text Solution

Verified by Experts

The correct Answer is:
`[(3,3),(0,1),(-1,0)]`
Promotional Banner

Topper's Solved these Questions

  • MATRICES AND DETERMINANTS

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 7.1|33 Videos

  • MATRICES AND DETERMINANTS

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 7.2|21 Videos

  • INTRODUCTION TO PROBABILITY THEORY

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE (Choose the correct option for the following)|39 Videos

  • SETS,RELATIONS AND FUNCATIONS

    PREMIERS PUBLISHERS|Exercise II. Choose the correct option for the following. (M.C.Q)|35 Videos

Similar Questions

Explore conceptually related problems

If A=[{:(2,3,-1),(1,4,2):}] and B=[{:(2,3),(4,5),(2,1):}] then AB and BA are defined and equal.

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

If A=[(1,2,-3),(5,0,2),(1,-1,1)],B=[(3,-1,2),(4,2,5),(2,0,3)] and C=[(4,1,2),(0,3,2),(1,-2,3)] , then compute (A+B) and (B-C) . Also, verify that A+(B-C)=(A+B)-C .

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

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

If A= |(3,2,1),(1,4,0),(-1,1,2)| and B= |(1,0,1),(1,1,0),(0,0,1)| .Prove that det(A+2B)=detA+2detB.

If A= [(2,3,1),(1,0,2),(2,1,0)] compute A^(2) .

If A= [(2,1,2),(1,2,0),(2,1,-1)] ,B= [(1,1,0),(2,2,1),(1,0,-1)] Verify the following (i) (A+B)^(T)=A^(T)+B^(T)

PREMIERS PUBLISHERS-MATRICES AND DETERMINANTS-PROBLEMS FOR PRACTICE .(II CHOOSE THE CORRECT OPTION FROM THE FOLLOWING)
  1. If A=[(3,2,1),(1,1,0),(2,1,-1)] and B=[(1,0),(-1,1),(2,1)]compute AB a...

    Text Solution

    |

  2. If a(ij)=i^(2)-j and A=(a(ij))(2xx2)is:

    Text Solution

    |

  3. Solve|(x-1,2),(3,x-2)|=0

    Text Solution

    |

  4. If 2x+[(3,1),(5,-3)]=[(-1,5),(3,-1)]then x is

    Text Solution

    |

  5. If A=[(3,2,1),(0,4,2),(1,2,3)]and B=[(3,2,0),(4,8,0),(-1,6,2)],then

    Text Solution

    |

  6. If the points (2,-4)(6,2)(4,x) are collinear than x is:

    Text Solution

    |

  7. If the square matrix |(alpha,Beta),(Beta,-alpha)|is a unit matrix of o...

    Text Solution

    |

  8. A=[(0,-2,1),(2,0,-4),(-1,0,0)]then A is

    Text Solution

    |

  9. If A=[(2x,2y,2z),(2a,2b,2c),(2p,2q,2r)]and Delta =[(x,y,z),(a,b,c),(p,...

    Text Solution

    |

  10. If A+2I=[(6,2),(3,-4)],then A(A+I)=

    Text Solution

    |

  11. Find the matrix A if[(1,2),(0,1)]A=[(6,1),(2,1)]

    Text Solution

    |

  12. Find the value of x for which A=[(e^(2x+1),e^(x-2)),(e^(2-x),e^(x-7))]...

    Text Solution

    |

  13. If A is (a(ij))(mxxn),B=(b(ij)(nxxp)),C=(c(ij)(pxxq))Then (ABC)^(T) wi...

    Text Solution

    |

  14. Ifr A is a skew symmetrix matrix of order 3 and B is column matrix of ...

    Text Solution

    |

  15. If A=[(2,4,-5),(3,1,-2),(0,2,-3)],find the coefficient of order 3:

    Text Solution

    |

  16. If A and B are square matrix of same order then (A-B)^(T) is:

    Text Solution

    |

  17. |((x+1/x)^(2),(x-1/x)^(2),1),((y+1/y)^(2),(y-1/y)^(2),1),((z+1/z)^(2),...

    Text Solution

    |

  18. Evaluate |(45,71,26),(35,-21,14),(77,50,40)|:

    Text Solution

    |

  19. if|(b+c,a-c,a-b),(b-c,c+a,b-a),(c-b,c-a,a+b)|=k(abc).Then k is:

    Text Solution

    |

  20. The area ofDelta with vertices (-2,-3),(3,2),and (-1,x).Then x is:

    Text Solution

    |

  21. Which of the followinf is not true about the matrix[(5,0,0),(0,0,0),(0...

    Text Solution

    |