Home
Class 12
MATHS
The inverse of the matrix {:[(a,b),(c,d)...

The inverse of the matrix `{:[(a,b),(c,d)]:}` is

A

`1/((ad-bc)){:[(d,-b),(-c,a)]:}`

B

`{:[(d,b),(c,a)]:}`

C

`1/((ad-bc)){:[(d,b),(c,a)]:}`

D

`{:[(a,d),(b,c)]:}`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATHEMATICS

    KCET PREVIOUS YEAR PAPERS|Exercise MCQs|59 Videos
  • MODEL TEST PAPER - 7

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

Using elementary transformations, find the inverse of the matrix [(2,1),(7,4)]

Using elementary operations, find the inverse of the matrix [(1,2),(2,-1)]

By using elementary operations, find the inverse of the matrix A=[(1,2),(2,-1)] .

By using elementary transformations, find the inverse of the matrix A=[{:(,1,3),(,2,7):}]

Find the inverse of the matrix A = [(2,-2),(4,3)]

By using elementary operations , find the inverse of the matrix : A =[(1,2),(2,-1)]

By using the elementary transformation, find the inverse of the matrix, A = [(1,2),(2,-1)] .

By using elementary operations, find the inverse of the matrix A=[{:(,3,-1),(,-4,2):}]

The inverse of the matrix [[1 , -2],[3 ,4 ]] is

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 1-MATHEMATICS
  1. The value of the determinant {:abs((1,a,b+c),(1,b,c+a),(1 , c,a+b)):} ...

    Text Solution

    |

  2. If omega is the cube root of unity then {:abs((1,omega,omega^2),(omega...

    Text Solution

    |

  3. The inverse of the matrix {:[(a,b),(c,d)]:} is

    Text Solution

    |

  4. Eigen values of the matrix A={:[(3,+2),(1,2)]:} are

    Text Solution

    |

  5. In four numbers given the first three numbers are in G.P. and the last...

    Text Solution

    |

  6. One of the following is perpendicular to 2hati + 2hatj - hatk

    Text Solution

    |

  7. If hatl and hatm are unit vectors and theta is the angle between then ...

    Text Solution

    |

  8. A particle is displaced from the point whose position vector is 5hati+...

    Text Solution

    |

  9. The magnitude of the torque about the point 3hati + 2hatj -2hatk of fo...

    Text Solution

    |

  10. The set z = { 1, 2, 3, 4} is an abelian group under

    Text Solution

    |

  11. If in the standard from of the cubic x^3 + 3Hx + G = 0 where H and G ...

    Text Solution

    |

  12. The number of permutations of n different things not more than r and n...

    Text Solution

    |

  13. If the binary oprationis defined by a^(**)b = a + b -5 over Z., the i...

    Text Solution

    |

  14. The equation of the circle the two ends of its diameter are (a, 2a) an...

    Text Solution

    |

  15. The equation of the circle passing thhroguh the centre of the circle C...

    Text Solution

    |

  16. The value of k for which the circles x^2 - y^2 + 3x - 7y +k = 0 and x^...

    Text Solution

    |

  17. The radical axis of the circles C1 =x^2 + y^2 + 4x + 8 y + 6 = 0 and ...

    Text Solution

    |

  18. The limiting points of the co-axial system determined the circle s x^2...

    Text Solution

    |

  19. The euation of the parablola with its axis parallel to x - axis and pa...

    Text Solution

    |

  20. The co-efficients of x^2 and x^3 in the expansion of (3+kx)^9 are equa...

    Text Solution

    |