Home
Class 12
MATHS
If A is a skew symmetric matrix of order...

If A is a skew symmetric matrix of order 3. Then prove that it's determinant is zero. (without using examples).

Promotional Banner

Topper's Solved these Questions

  • LINEAR PROGRAMMING

    BODY BOOKS PUBLICATION|Exercise EXERCISE|2 Videos
  • PROBABILITY

    BODY BOOKS PUBLICATION|Exercise EXERCISE|8 Videos

Similar Questions

Explore conceptually related problems

Explain a zero vector using an example.

If A and B are symmetric matrices of the same order, then prove that (A+B) is also symmetric.

If A is a non-singular matrix of order 3, then adj (adj A) is equal to

If A and B are symmetric matrices, prove that A B-B A is a skew symmetric matrix.

Let A and B be two symmetric matrices of same order. Then show that AB-BA is a skew-symmetric matrix.

Let A be a square matrix. Then prove that A - A^(T) is a skew-symmetric matrix

Let A be a square matrix. Then prove that A + A ^(T) is a symmetric matrix.

If A is a 3 xx 3 skew - symmetric matrix, then trace of A is equal to a)-1 b)1 c)|A| d)None of these

Let S be the set of all 2 x 2 symmetric matrices whose entries are either zero or one. A matrix X is chosen from S. The probability that the determinant of X is not zero is a) 1/3 b)1/2 c)3/4 d)1/4

Let A be a non-singular square matrix of order 3xx3 .Then |adj A| is ...

BODY BOOKS PUBLICATION-MATRICES-EXERCISE
  1. Let A=[a(ij)](2times3) where a(ij=i+j. construct A.

    Text Solution

    |

  2. For any square matrix A,prove that A+A' is symmetric.

    Text Solution

    |

  3. If A is a skew symmetric matrix of order 3. Then prove that it's deter...

    Text Solution

    |

  4. Given abs [[2+x,3,4],[1,-1,2],[x,1,5]] is a singular matrix. Find the ...

    Text Solution

    |

  5. Given A and B are square matrices of order 2 such that absA=-1, absB=3...

    Text Solution

    |

  6. For the symmetric matrix A=[(2,x,4),(5,3,8),(4,y,9)].Find the value of...

    Text Solution

    |

  7. If A=[(3,1),(-1,2)] . Show that A^2-5A+7I=0 Hence find A^4 and A^-1 ...

    Text Solution

    |

  8. Using elementary row operations, find the inverse of the matrix [[1,...

    Text Solution

    |

  9. Find x and y if x[[2],[3]]+y[[-1],[1]]=[[10],[5]]

    Text Solution

    |

  10. Express the matrix [[2,-2,-4],[-1,3,4],[1,-2,-3]] as the sum of a ...

    Text Solution

    |

  11. The value of k such that matrix [[1,k],[-k,1]] is symmetric if

    Text Solution

    |

  12. If A=[[costheta,sintheta],[-sintheta,costheta]] then prove that A^2...

    Text Solution

    |

  13. If A=[[1,3],[4,1]] , then find abs(3A^T)

    Text Solution

    |

  14. If A=[[0,1],[0,0]] ,B=[[1,0],[0,0]], then BA=

    Text Solution

    |

  15. Write A=[[3,5],[1,-1]] as the sum of a symmetric and a skew symmetric ...

    Text Solution

    |

  16. Find the inverse of A=[[2,-6],[1,-2]]

    Text Solution

    |

  17. Choose the correct statement related to the matrices A=[[1,0],[0,1]]...

    Text Solution

    |

  18. IfM=[[7,5],[2,3]],then verify the equation M^2-10M+11I2=0

    Text Solution

    |

  19. Consider the matrices A=[[1,-2],[-1,3]] and B=[[a,b],[c,d]] If AB=...

    Text Solution

    |

  20. Let A=[(2,4),(1,-3)] and B=[(1,-1,5),(0,2,6)] Find AB.

    Text Solution

    |