Home
Class 12
MATHS
If A = {:[(1,2,3),(2,3,2),(3,3,4)], find...

If `A = {:[(1,2,3),(2,3,2),(3,3,4)]`, find adj.A.

Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    MODERN PUBLICATION|Exercise EXERCISE|326 Videos

  • CONTINUITY AND DIFFERENTIABILITY

    MODERN PUBLICATION|Exercise EXERCISE|588 Videos

  • EXCLUSIVELY FOR JEE(ADVANCED)

    MODERN PUBLICATION|Exercise EXERCISE|38 Videos

Similar Questions

Explore conceptually related problems

If A = [(3,2,2),(2,3,2),(2,2,3)] , find adj (Adj A)

If A = {:[(1,2,3),(1,1,3),(1,2,4)] , verify A.(Adj.A) = |A| I and find A^-1 .

If A = [(1,0,2),(0,2,1),(2,0,3)] , find A (adj A)

Find A^-1,A= {:[(1,2,-3),(2,3,2),(3,-3,-4)] Hence, solve the following system of linear equations: x+2y-3z=-4,2x+3y+2z=2, 3x-3y-4z=11.

Let A = {:[(1,2,3),(2,3,4),(-1,1,2)] and B = [(0,2,-1),(1,3,4),(0,-2,-3)] Find AB and BA. Is AB = BA?

If A = {:[(0,4,3),(1,-3,-3),(-1,4,4)] , show that A^2=I and hence, find A^-1

Find the adjoint of the following matrices: [(1,2,3),(2,3,2),(3,3,4)]

If A = {:((3,1),(2,-3)) , then find |adj.A|

If A = =[(-1,1,1),(1,-1,1),(1,1,-1)] find the values of (i) |A||adj A| " " (ii) |adj (adj (adjA))| (iii) |adj(3A)| " " (iv) adj adj A

MODERN PUBLICATION-DETERMINANTS-EXERCISE
  1. If A = {:[(1,2,3),(2,3,2),(3,3,4)], find adj.A.

    Text Solution

    |

  2. Let A be a square matrix of order 3xx3, then prove that |kA|=k|A|.

    Text Solution

    |

  3. If any two rows (or columns) of a determinant are identical, the value...

    Text Solution

    |

  4. Answer in one word. {:|(3,1,6),(5,2,10),(7,4,14)|

    Text Solution

    |

  5. If A is a square matrix of order 3 and |3A| = k|A|, then write the val...

    Text Solution

    |

  6. Write the value of the following determinant abs{:(a-b, b-c, c-a),(b-c...

    Text Solution

    |

  7. Use properties of determinants ot evaluate: {:|(2,a,abc),(2,b,bca),(...

    Text Solution

    |

  8. Use properties of determinants ot evaluate: {:|(x+y,y+z,z+x),(z,x,y)...

    Text Solution

    |

  9. Evaluate |[102,18,36],[1,3,4],[17,3,6]|

    Text Solution

    |

  10. Use properties of determinants ot evaluate: {:|(2,3,1),(4,6,2),(1,3,...

    Text Solution

    |

  11. Use properties of determinants ot evaluate: {:|(2,3,5),(261,592,127)...

    Text Solution

    |

  12. Show that x=1 is a root of the equation: {:|(x+1,2x,-11),(2x,x+1,-4...

    Text Solution

    |

  13. If p,q,r ar in A.P. write the value of : {:|(x+1,x+2,x+2p),(x+2,x+3,...

    Text Solution

    |

  14. Without expanding, prove that the following determinant vanishes. |...

    Text Solution

    |

  15. Without actual expansion, prove that the following determinants vanish...

    Text Solution

    |

  16. Without actual expansion, prove that the following determinants vanish...

    Text Solution

    |

  17. Without actual expansion, prove that the following determinants vanish...

    Text Solution

    |

  18. Without actual expansion, prove that the following determinants vanish...

    Text Solution

    |

  19. Without actual expansion, prove that the following determinants vanish...

    Text Solution

    |

  20. Without expanding, prove that Delta = abs{:(x+y, y + z, z+ x),(z, x ,...

    Text Solution

    |

  21. Without expanding, prove that : |{:(1, bc, a(b+ c) ),(1, ca, b ( c+ a)...

    Text Solution

    |