Home
Class 12
MATHS
If A = [(3,5),(1,2)], find A^-1...

If `A = [(3,5),(1,2)]`, find `A^-1`

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    PRADEEP PUBLICATION|Exercise EXERCISE|335 Videos

  • LINEAR PROGRAMMING

    PRADEEP PUBLICATION|Exercise EXERCISE|135 Videos

  • MODEL PAPER (1)

    PRADEEP PUBLICATION|Exercise EXERCISE|35 Videos

Similar Questions

Explore conceptually related problems

If A = ((3,1),(5,2)) then find A^- 1 , 1 if it exists, by using elementary transformations.

If A = {:[(2,-3,1),(-2,3,4)] and B = [(2,5),(3,1),(4,2)] , then find AB.

If A = {:[(4,2,3),(1,5,7)] and B = [(1,3,7),(0,4,1)] , find 2A + B.

If A = [(5,3),(4,2)], B = [(1,1),(-1,2)], C = [(-3,2),(-7,5)] find 2 A + 3 B - 4 C

Use matrix method to slove the following system of equations A=[(2,-3,5),(3,2,-4),(1,1,-2)] find A^(-1)

PRADEEP PUBLICATION-MATRICES-EXERCISE
  1. If A is a skew symmetric matrix of order 3, write down its (2,2)th ele...

    Text Solution

    |

  2. If A = [(1,2),(2,4)], find A^-1

    Text Solution

    |

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

    Text Solution

    |

  4. If A of order 2 xx 2, state whether 1/2 (A + A^T) is symmetric or skew...

    Text Solution

    |

  5. If A = [(1,1),(1,1)], compute A^3

    Text Solution

    |

  6. If A = [(1,2),(-3,0)] and B = [(0,1),(2,3)], compute 2A - B.

    Text Solution

    |

  7. If A = [(cos theta, sin theta),(-sin theta, cos theta)] and B = [(sin ...

    Text Solution

    |

  8. Find the matrix X such that A + 2 B + X = O, where A = [(3,-2),(1,5)] ...

    Text Solution

    |

  9. Write down a scalar matrix of order 2 whose (2,2)th entry is -1.

    Text Solution

    |

  10. Give an example of a 3xx3 lower triangular matrix.

    Text Solution

    |

  11. If A is of order 5 xx 3, what is the number of elements in a row of A...

    Text Solution

    |

  12. If A is of order mxxn, find the number of elements in a column of A.

    Text Solution

    |

  13. If A is of order mxx2 and both A + B and AB are defined, find m.

    Text Solution

    |

  14. Write the diagonal of the matrix A = [(1,0,2),(2,0,3),(3,6,4)].

    Text Solution

    |

  15. Find the number of all possible matrices of order 2xx2 with entries 0,...

    Text Solution

    |

  16. If A = [(2,3),(1,2)], B = [(1,3,2),(4,3,1)], C = [(1),(2)] and D = [(4...

    Text Solution

    |

  17. If A 3xx3 invertible matrix, then show that for any scalar 'k' (non-ze...

    Text Solution

    |

  18. If [2x,3] {:[(1,2),(-3,0)][(x),(8)]= O, find the value of 'x'.

    Text Solution

    |

  19. If P = [(x,0,0),(0,y,0),(0,0,z)]and Q = [(a,0,0),(0,b,0),(0,0,c)], ver...

    Text Solution

    |

  20. Find x,y if x[(2),(1)] + y[(3),(5)] - [(-8),(-11)] = O

    Text Solution

    |