Home
Class 12
MATHS
If A=[{:(3,2),(1,4):}], then what is A (...

If `A=[{:(3,2),(1,4):}]`, then what is A (adj A) equal to ?

A

`[(10,0),(0,10)]`

B

`[(0,10),(10,0)]`

C

`[(10,1),(1,10)]`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    TARGET PUBLICATION|Exercise EVALUATION TEST|13 Videos

  • MATRICES

    TARGET PUBLICATION|Exercise CRITICAL THINKING (2.3 Application of matrices)|5 Videos

  • MATHEMATICAL LOGIC

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • MHT-CET 2019 QUESTION PAPER

    TARGET PUBLICATION|Exercise Binomial Distribution|1 Videos

Similar Questions

Explore conceptually related problems

If A=[{:(3,2),(1,4):}] then A. adj A is equal to :

If A=[{:(3,1),(2,-3):}] , then find |adj.A| .

If A=[(1,2,3),(1,4,9),(1,8,27)] , then | adj A| is equal to

If A=[[3,2],[1,4]], then A(adj A)=

If A is a 3 xx 3 matrix such that |A| = 4, then what is A(adj A) equal to ?

If A={:[(1,2),(3,4)]:}," then: " adj(adjA)=

If A={:[(4,2),(3,4)],:}" then: "|adj,A|=

If matrix A=[(2,2),(2,3)] then the value of [adj. A] equals to :

TARGET PUBLICATION-MATRICES-COMPETITIVE THINKING (Inverse off a matrix )
  1. if A=[[2,-3],[-4,1]] then (3A^2+12A)=?

    Text Solution

    |

  2. If A=[(1,-1,1),(0,2,-3),(2,1,0)],B=(adjA) and C=5A, then (|adjB|)/(|C|...

    Text Solution

    |

  3. If A=[{:(3,2),(1,4):}], then what is A (adj A) equal to ?

    Text Solution

    |

  4. If A=[(cos x, sin x),(-sin x,cos x)], then A(adj A)=

    Text Solution

    |

  5. If A=[(cos alpha,sin alpha),(-sin alpha,cos alpha)] and A. adj A=[(k,...

    Text Solution

    |

  6. If k is a scalar and l is a unit matrix of order 3 then adj(kl) is equ...

    Text Solution

    |

  7. If x is square materix of order 3xx3 and lambda is a scalar, then adj ...

    Text Solution

    |

  8. If A is a singular matrix, then adj A is a. singular b. non singula...

    Text Solution

    |

  9. If d is the determinant of a square matrix A of order n , then the ...

    Text Solution

    |

  10. If A={:[(4,2),(3,4)],:}" then: "|adj,A|=

    Text Solution

    |

  11. For a invertible matrix A if A (adj A) =[(10,0),(0,10)] then |A...

    Text Solution

    |

  12. If A is a matrix of order 3, such that A(adj A)=10I, then |adj A|=

    Text Solution

    |

  13. If the adjoint of a 3 3 matrix P is 1 4 4 2 1 7 1 1 3 , then the po...

    Text Solution

    |

  14. Let A be a 2xx2 matrix Statement -1 adj (adjA)=A Statement-2 abs(a...

    Text Solution

    |

  15. adj AB -(adj B)(adj A) =

    Text Solution

    |

  16. If A=[(2x,0),(x,x)] and A^(-1)=[(1,0),(-1,2)] then x equals to

    Text Solution

    |

  17. If A=[(x,-2),(3,7)] and A^(-1)=[(7/34,1/17),((-3)/34,2/17)],then the v...

    Text Solution

    |

  18. Let A =[(1,-1,1),(2,1,-3),(1,1,1)] and 10B=[(4,2,2),(-5,0,alpha),(...

    Text Solution

    |

  19. If A=[(5,4),(3,2)] then A^(-1) is equal to

    Text Solution

    |

  20. The inverse of matrix A=[[2, -3], [-4, 2]] is

    Text Solution

    |