Home
Class 12
MATHS
For the matrix A=[[1,1,1],[1,2,-3],[2,-1...

For the matrix A=`[[1,1,1],[1,2,-3],[2,-1,3]]`
show that `A^3-6A^2+5A+11I=0.`Hence, find `A^(-1)`

Promotional Banner

Topper's Solved these Questions

  • CONTINUITY AND DIFFERENTIABILITY

    V PUBLICATION|Exercise QUESTION BANK|168 Videos
  • DIFFERENTIAL EQUATIONS

    V PUBLICATION|Exercise QUESTION BANK|149 Videos

Similar Questions

Explore conceptually related problems

If A = [[3,1],[-1,2]] ,show that A^2-5A + 7I=0 Hence, find A^(-1)

If A=[[1,-1,1],[2,-1,0],[1,0,0]] , Show that A^2=A^-1

A=[[1,2,3],[3,-2,1],[4,2,1]] Show that A^3-23A-40I=0

A=[[1,2,2],[2,1,2],[2,2,1]] , then show that A^2-4A=5I_3

Consider the matrix A=[[3,1],[-1,2]] Find k so that A^2=kA-7I

Consider the matrix A=[[1,3,6],[-1,-1,2],[1,1,5]] Find abs[A]

Let A=[[3,1],[-1,2]] Show that A^2-5A+7I=0

Consider the matrix A=[[3,1],[-1,2]] Find A^2

Let A=[[1,-1,1],[2,1,-3],[1,1,1]] Find adjA.

A=[[1,-3,1],[2,0,4],[1,2,-2]] Show that AxxadjA=abs[A]I

V PUBLICATION-DETERMINANT-QUESTION BANK
  1. If A =[[3,1],[-1,2]],show that A^2-5A + 7I=0 Hence, find A^(-1)

    Text Solution

    |

  2. For the matrix A=[[3,2],[1,1]],find the numbers a and b such that A^2+...

    Text Solution

    |

  3. For the matrix A=[[1,1,1],[1,2,-3],[2,-1,3]] show that A^3-6A^2+5A+11I...

    Text Solution

    |

  4. Let A be a non-singular square matrix of order 3xx3.Then |adj A| is .....

    Text Solution

    |

  5. If A is an invertible matrix of order 2, then det(A^(-1))=

    Text Solution

    |

  6. Solve the system of equations '2 x+5 y=1' '3 x+2 y=7'

    Text Solution

    |

  7. If A=[[3,-2,3],[2,1,-1],[4,-3,2]] Solve the linear equations 3x-2y...

    Text Solution

    |

  8. The sum of three numbers is 6 . If we multiply third number by3 ańd ad...

    Text Solution

    |

  9. classify the following system of equations as consistent or inconsiste...

    Text Solution

    |

  10. Examine the consistency of the following system of equation 2x-y =5 ...

    Text Solution

    |

  11. classify the following system of equations as consistent or inconsiste...

    Text Solution

    |

  12. Examine the consistency of the following system of equation x+y+z=1 ...

    Text Solution

    |

  13. Examine the consistency of the system of equations 5 x-y+4z=5 , 2 x+3 ...

    Text Solution

    |

  14. Solve the following system of linear equations using matrix method. 5x...

    Text Solution

    |

  15. Solve the following system of linear equations using matrix method. 2x...

    Text Solution

    |

  16. Solve the following system of linear equations using matrix method. 4x...

    Text Solution

    |

  17. Solve the following system of linear Equations,using matrix method, ...

    Text Solution

    |

  18. Solve the system of equations using matrix method. 2 x+y+z=1 , x-2 y-z...

    Text Solution

    |

  19. LetA=[[1,-1,1],[2,1,-3],[1,1,1]] Using A^-1 solve the system of eq...

    Text Solution

    |

  20. If A=[[2 , -3 , 5],[ 3, 2, -4],[ 1, 1, -2]], find A^(-1) . Using...

    Text Solution

    |