Home
Class 12
MATHS
Find the inverse of the following matric...

Find the inverse of the following matrices using elementary transformation:
`[[1,1,2],[0,1,2],[1,2,1]]`

Promotional Banner

Topper's Solved these Questions

  • TEST PAPER 2

    MODERN PUBLICATION|Exercise PROBLEM|74 Videos
  • TEST PAPER 4

    MODERN PUBLICATION|Exercise PROBLEM|64 Videos

Similar Questions

Explore conceptually related problems

Find the inverse of the following matrices using elementary transformation: [[1,2,3],[2,1,4],[1,0,2]]

Find the inverse of the following matrices using elementary transformation [{:(0,1,2),(1,2,3),(3,1,1):}]

Find the inverse of the following matrices using elementary transformation [{:(0,0,2),(0,2,0),(2,0,0):}]

Find the inverse of the following matrices using elementary transformation [{:(3,-2,3),(2,1,-1),(4,-3,2):}]

MODERN PUBLICATION-TEST PAPER 3-PROBLEM
  1. Show that the relation S defined on set N xx N by (a, b) S(c,d) rArr a...

    Text Solution

    |

  2. A trust fund has Rs. 50,000 that is to be invested in two types of ...

    Text Solution

    |

  3. Find the inverse of the following matrices using elementary transforma...

    Text Solution

    |

  4. Prove that the following. [[1+a,1,1],[1,1+b,1],[1,1,1+c]] = abc(1+1/...

    Text Solution

    |

  5. If A=[{:(3,-4),(1,-1):}] then show that A^(k)=[{:(1+2k,-4k),(k,1-2k):}...

    Text Solution

    |

  6. If y=In(x^2 +y^2),then find dy/dx.

    Text Solution

    |

  7. If x=acos^(3)theta,y=a sin^(3)theta,then find (d^2y)/dx^(2)

    Text Solution

    |

  8. Test the differentiability and continuity of the following function at...

    Text Solution

    |

  9. Determine the interval in which the function f(x) = x^3-5x^2+3x+97 is ...

    Text Solution

    |

  10. int0^piabs(cosx)dx

    Text Solution

    |

  11. Solve :(1 + y^2).dx+xdy = tan^-1y dy

    Text Solution

    |

  12. A plane meets the coordinate axes at A, B and C respectivély. If the c...

    Text Solution

    |

  13. Prove by vector method that in any triangle ABC, a/sinA=b/sinB=c/sinC.

    Text Solution

    |

  14. Prove that the acute angle between the lines whose direction cosines a...

    Text Solution

    |

  15. Let f : W rarr W be defined as f (x) = x -1 if x is odd and f(x) = x +...

    Text Solution

    |

  16. Constract the composition table/multiplication table for the binary op...

    Text Solution

    |

  17. Let A = ( ( 1 2 2) , (2 1 2), (2 2 1)).Find A^-1 and hence show A^2-4A...

    Text Solution

    |

  18. Prove that the following. [[b^2+c^2,ab,ac],[ab,c^2+a^2,bc],[ca,cb,a^2+...

    Text Solution

    |

  19. Show that the sum of the intercepts on the coordinate axes of any tang...

    Text Solution

    |

  20. Shows that the triangle of greatest area that can be inscribed in a ci...

    Text Solution

    |