Home
Class 11
MATHS
Let A=[(-1,1,1),(1,-1,1),(1,1,-1)] then ...

Let `A=[(-1,1,1),(1,-1,1),(1,1,-1)]` then `|"Adj (Adj A)"|=`

A

64

B

256

C

8

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    AAKASH SERIES|Exercise INVERSE OF A MATRIX- PRACTICE EXERCISE|13 Videos

  • MATRICES

    AAKASH SERIES|Exercise LINEAR EQUATIONS - EXERCISE - I|24 Videos

  • MATRICES

    AAKASH SERIES|Exercise INVERSE OF A MATRIX- EXERCISE - I|21 Videos

  • MATHEMATICAL INDUCTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) LEVEL-I (Principle of Mathematical Induction) (Straight Objective Type Questions)|55 Videos

  • MAXIMA & MINIMA

    AAKASH SERIES|Exercise EXERCISE-III|35 Videos

Similar Questions

Explore conceptually related problems

|(0,1,1),(1,0,1),(1,1,0)|=

If A=[(2,1,1),(1,3,1),(1,2,1)] then A^(T)=

If S=[(0,1,1),(1,1,1),(1,1,0)], then det of s

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

The rank of [(1,1,1),(-1,1,1),(1,1,1)] is

The rank of [(1,-1,1),(1,1,-1),(-1,1,1)] is

|(1+i,1-i,1),(1-i,1,1+i),(1,1+i,1-i)|=

fi A=[(1,1),(1,1)] then A^(3)=

AAKASH SERIES-MATRICES -INVERSE OF A MATRIX- EXERCISE - II
  1. If A=[(-1,-2,-2),(2,1,-2),(2,-2,1)] and "Adj A"=A=xA^(T) then x =

    Text Solution

    |

  2. If A is a square matrix such that A(AdjA)=((4,0,0),(0,4,0),(0,0,4)) th...

    Text Solution

    |

  3. Let A=[(-1,1,1),(1,-1,1),(1,1,-1)] then |"Adj (Adj A)"|=

    Text Solution

    |

  4. If A=[(0,1,-1),(2,1,3),(3,2,1)] then [A(adjA)A^(-1)]A=

    Text Solution

    |

  5. If A=[(1^(2),2^(2),3^(2)),(2^(2),3^(2),4^(2)),(3^(2),4^(2),5^(2))] the...

    Text Solution

    |

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

    Text Solution

    |

  7. If A is non - singular and A^(2)-5A+7I=0 then I =

    Text Solution

    |

  8. If A is non Singular and (A-2I)(A-4I)=0 then 1/6A+4/3A^(-1)=

    Text Solution

    |

  9. A square nonsingular matrix satisfies A^(2)-A+2I=0 then A^(-1)=

    Text Solution

    |

  10. If A!=A^(2)=I then |I+A|=

    Text Solution

    |

  11. If A is a 3xx3 matrix and B is its Adjoint matrix. If the determinent ...

    Text Solution

    |

  12. If A is 4xx4 matrix and |2A|=64,B="Adj A" then |"Adj B"|=

    Text Solution

    |

  13. If A!=I is an idempotent matrix, then A is a

    Text Solution

    |

  14. If A is an orthogonal matrix then |A| is

    Text Solution

    |

  15. If A and B are two square matrices such that B=-A^(-1)BA then (A+B)^(2...

    Text Solution

    |

  16. The value of a third order determinant is 11 then the value of the squ...

    Text Solution

    |

  17. A and B are square matrices of order 3xx3, A is on orthogonal matrix a...

    Text Solution

    |

  18. Which of the following statements is false:

    Text Solution

    |

  19. Let A be 2xx2 matrix. Statement : adj(adjA)=A Statement -2: |adjA|=|A|

    Text Solution

    |

  20. If the product of the matrix B=[(2,6,4),(1,0,1),(-1,1,-1)] with a matr...

    Text Solution

    |