Home
Class 12
MATHS
Select the correct option from the given...

Select the correct option from the given alternatives. If `A = [[a,c],[d,b]]` then `A^-1 = ` i] `frac{1}{ab-cd}[[b,-c],[-d,a]]` ii] `frac{1}{ad-bc}[[b,-c],[-d,a]]` iii] `frac{1}{ab-cd}[[b,d],[c,a]]` iv] None of these

A

`frac{1}{ab-cd}[[b,-c],[-d,a]]`

B

`frac{1}{ad-bc}[[b,-c],[-d,a]]`

C

`frac{1}{ab-cd}[[b,d],[c,a]]`

D

None of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Matrices

    CHETANA PUBLICATION|Exercise EXERCISE|96 Videos

  • Mathematical Logic

    CHETANA PUBLICATION|Exercise EXERCISE|44 Videos

  • PROBABILITY DISTRIBUTIONS

    CHETANA PUBLICATION|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

Select the correct option from the given alternatives. (frac(22pi)(15))^c is equal to

Select the correct option from the given alternatives. If A = [[2,3],[5,-2]] be such that A^-1 = kA , then k equals to i] 19 ii] frac{1}{19} iii] -19 iv] -frac{1}{19}

Select the correct option from the given alternatives: tan(2tan^-1(frac{1}{5})-frac{pi}{4})

Select the correct option from the given alternatives The period of cos2theta will be….. A) 2pi B) 3pi C) frac{pi}{2} D) pi

Select the correct option from the given alternatives: If tan^-1(2x)+tan^-1(3x) = frac{pi}{4} , then x = A) -1 B) frac{1}{6} C) frac{2}{6} D) frac{3}{2}

Select the correct option from the given alternatives: In /_\ABC , if c^2+a^2-b^2 = ac then /_B = A) frac{pi}{4} B) frac{pi}{3} C) frac{pi}{2} D) frac{pi}{6}

Select the correct option from the given alternatives. (frac(tanA)(1+secA))+(frac(1+secA)(tanA)) is equal to…..

Select the correct options from the given alternatives.The determinant D=|(a,b,a+b),(b,c,b+c),(a+b,b+c,0)|=0 .If

Select the correct option from the given alternatives The period of tan3theta function will be… A) 3pi B) frac{pi}{3} C) pi D) 2pi

CHETANA PUBLICATION-Matrices-EXERCISE
  1. Select the correct option from the given alternatives. If A = [[1,-2],...

    Text Solution

    |

  2. Select the correct option from the given alternatives.If for any 2xx2 ...

    Text Solution

    |

  3. Select the correct option from the given alternatives. If A = [[a,c],[...

    Text Solution

    |

  4. Select the correct option from the given alternatives. If A = [[2,3],[...

    Text Solution

    |

  5. If A and B are square matrices of the same order and AB = 3I, then A^-...

    Text Solution

    |

  6. Select the correct option from the given alternatives. If for the mat...

    Text Solution

    |

  7. Select the correct option from the given alternatives:If A = [[i,0],[0...

    Text Solution

    |

  8. Select the correct option from the given alternatives. If A is an inve...

    Text Solution

    |

  9. Select the correct option from theg given alternativesIf A and B are n...

    Text Solution

    |

  10. If A = [[a,b],[c,d]] then adj(adjA) is equal to; i] adjA ii] A ii...

    Text Solution

    |

  11. Select the correct option from the given alternatives. Solutions of eq...

    Text Solution

    |

  12. Select the correct option from the given alternatives. The element in ...

    Text Solution

    |

  13. Select the correct option from the given alternatives.The sum of three...

    Text Solution

    |

  14. Select the correct option from the given alternatives.If A = [[2,3],[4...

    Text Solution

    |

  15. Select the correct option from the given alternatives: If [[1,-tanthet...

    Text Solution

    |

  16. Select the correct option from the given alternatives: If A = [[3,-3,4...

    Text Solution

    |

  17. Select the correct option from the given alternatives [[6,-5,1],[4,2,-...

    Text Solution

    |

  18. Select the correct option from the given alternatives. Let A = [[5,5al...

    Text Solution

    |

  19. Select and write the most appropriate answer from the given alternativ...

    Text Solution

    |

  20. Select and write the most appropriate answer from the given alternativ...

    Text Solution

    |