Home
Class 12
MATHS
Find the inverses of the following matri...

Find the inverses of the following matrices (if they exist) :
(1) `{:((1,3),(2,7)):}" "(2) {:((2,1),(7,4)):}" "(3) {:((1,-1),(2,3)):}" "(4) {:((3,-10),(2,-7)):}`

Text Solution

Verified by Experts

(1) `{:((7,-3),(-2,1)):}" "(2) {:((4,-1),(-7,2)):}`
`(3) 1/5{:((3,1),(-2,1)):}" "(4) {:((7,-10),(2,-3)):}`.
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|12 Videos

  • MATRICES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|12 Videos

  • MATHEMATICAL LOGIC

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS 2 MARKS EACH|10 Videos

  • MODEL QUESTION PAPER FOR PRACTICE

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise SECTION-D (Atempt any five of the following)|8 Videos

Similar Questions

Explore conceptually related problems

Find the inverses of the following matrices by adjoint method : (1) {:((1,2),(2,3)):}" "(2){:((5,4),(3,2)):}" "(3){:((3,-2),(6,8)):}" "(4){:((2,-3),(3,5)):} .

Find the inverse of the following matrices if exist : (i) |{:(5,-3),(2,2):}| (ii) |{:(1,-3),(-1,2):}| (iii) |{:(1,0,-1),(3,4,5),(0,-6,-7):}| (iv) |{:(1,-3,3),(2,2,-4),(2,0,2):}| (v) |{:(1,2,1),(1,-1,-2),(1,2,-1):}| (vi) |{:(4,-2,-1),(1,1,-1),(-1,2,4):}|

Find the inverse of each of the matrices (if it exists) given in [{:(-1,5),(-3,2):}]

Find the inverse of each of the matrices given below : [(0,0,-1), (2,-1,4),(-2,-4,-7)]

Find the adjoint and inverse of each of the following matrices [[2,-1-4,3]]

Find the inverse of each of the matrices given below : [(2,-1,4),(-3,0,1),(-1,1,2)]

Find the inverse the matrix (if it exists) given in [[2,1,34,-1,0-7,2,1]]

Find the inverse of each of the matrices given below : A=[(3,-3,4),(2,-3,4),(0,-1,1)]

Find the inverse of each of the following : [{:(2,1,3),(4,-1,0),(-7,2,1):}]

NAVNEET PUBLICATION - MAHARASHTRA BOARD-MATRICES-Examples for Practice
  1. find the matrix X such that AX=B where A=|[1,2],[-1,3]| , B=|[0,1],[2,...

    Text Solution

    |

  2. Find the inverses of the following matrices (if they exist) : (1) {:...

    Text Solution

    |

  3. Find the matrix X such that {:((1,2,3),(2,3,2),(1,2,2)):} X = {:((2,2...

    Text Solution

    |

  4. If A= {:((3a,2b),(-a,b)):}and B = {:((-a,b),(2a,2b)):}, then find a ma...

    Text Solution

    |

  5. Find the inverse of each of the following matrices : {:((1,5,2),(0,-1...

    Text Solution

    |

  6. Find the inverse of the matrix {:((1,0,1),(0,2,3),(1,2,1)):} by using...

    Text Solution

    |

  7. Find the adjoints of the following matrices : (1) {:((1,3),(-2,4))...

    Text Solution

    |

  8. Find the inverses of the following matrices by adjoint method : (1) ...

    Text Solution

    |

  9. Find the inverse of each of the following matrices, by using adjoint m...

    Text Solution

    |

  10. If A = {:((1,-1,2),(3,0,-2),(1,0,3)):}, verify that A (adj A) = |A|* I...

    Text Solution

    |

  11. Solve the following equations by reduction method : 2x + 3y = 9, y...

    Text Solution

    |

  12. Solve the following equations by reduction method : x + y = 2, 3x +...

    Text Solution

    |

  13. Solve the following equations by reduction method : 2x - y = -2, 3x...

    Text Solution

    |

  14. Solve the following equations by inverse method : 2x + y = 5, 3x + 5...

    Text Solution

    |

  15. Solve the following equations by reduction method : x - y + z = 4, 2x ...

    Text Solution

    |

  16. The sum of three numbers is 9 . If we multiply third number by 3 and...

    Text Solution

    |

  17. The sum of three numbers is 6 . When second number is subtracted from ...

    Text Solution

    |

  18. The cost of 2 books, 6 notebooks and 3 pens is Rs. 40. The cost of 3 ...

    Text Solution

    |

  19. Solve the following equations by inverse method : 2x +5y = 1, 3x + ...

    Text Solution

    |

  20. Solve the following equations by inverse method : 2x + y = 5, 3x + 5...

    Text Solution

    |