Home
Class 11
MATHS
If the traces of A are 19 and B are 8 th...

If the traces of A are 19 and B are 8 then the trace of A-B is

A

11

B

25

C

`(17)/(8)`

D

9

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    AAKASH SERIES|Exercise ALGEBRA OF MATRICES - EXERCISE - II|34 Videos

  • MATRICES

    AAKASH SERIES|Exercise ALGEBRA OF MATRICES -PRACTICE EXERCISE|41 Videos

  • MATRICES

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|51 Videos

  • MATHEMATICAL INDUCTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I) LEVEL-I (Principle of Mathematical Induction) (Straight Objective Type Questions)|55 Videos

  • MAXIMA & MINIMA

    AAKASH SERIES|Exercise EXERCISE-III|35 Videos

Similar Questions

Explore conceptually related problems

If the traces of A, B are 17 and 8 then the trace of A+B is

If the traces of A,B are 20 and -8 then the trace of A+B is

If the trace of a matrix A is 3 then the trace of 5A is

If the trace of A is 20 and the trace of B is 5 then the trace of A-B is

If the trace of AB is 30 then the trace of BA is

If the trace of AB is 25 then the trace of BA is

If the trace of A is 7 then the trace of 7A is

If A=[a_(ij)] is scalar matrix then the trace of A is

Define trace of a matrix.

If A is a skew symmetric matrix, then trace of A is

AAKASH SERIES-MATRICES -ALGEBRA OF MATRICES -EXERCISE - I
  1. If A is a skew symmetric matrix, then trace of A is

    Text Solution

    |

  2. If A=[a(ij)] is a scalar matrix of order nxxn such that a(ii)=k for al...

    Text Solution

    |

  3. If the traces of A are 19 and B are 8 then the trace of A-B is

    Text Solution

    |

  4. If tr(A)=2+i then tr((2-i)A)=

    Text Solution

    |

  5. If tr(A)=3,tr(B)=5 then tr(AB)=

    Text Solution

    |

  6. If A=[(4,x+2),(2x-3,x+1)] is symmetric then trace of A is

    Text Solution

    |

  7. If A=[(x,1,4),(-1,0,7),(-4,-7,0)] such that A'=-A then x=

    Text Solution

    |

  8. P+Q=((2,3,5),(4,1,2),(1,2,1)),P is symmetric, Q is a skew symmetric ma...

    Text Solution

    |

  9. If 3A+4B'=[(7,-10,17),(0,6,31)],2B-3A'=[(-1,18),(4,-6),(-5,-7)] then B...

    Text Solution

    |

  10. If A=[(cos theta, sin theta, 0),(-sin theta, cos theta, 0),(0,0,1)] th...

    Text Solution

    |

  11. If 3A=[(-1,2,2),(2,-1,2),(2,2,-1)] then

    Text Solution

    |

  12. If A=[(2,x-3,x-2),(3,-2,-1),(4,-1,-5)] is a symmetric matrix then x =

    Text Solution

    |

  13. If A=[(ab,b^(2)),(-a^(2),-ab)] then A is

    Text Solution

    |

  14. If A=[(2,-2,-4),(-1,3,4),(1,-2,-3)] then A is

    Text Solution

    |

  15. If A=[a(ij)](nxxn) and a(ij)="A.M." of {i,j} then A is

    Text Solution

    |

  16. If the order of A is 4xx3, the order of B is 4xx5 and the order of C i...

    Text Solution

    |

  17. If A is a 3xx4 matrix and B is matrix such that A^(T)Band BA^(T) are b...

    Text Solution

    |

  18. If A is idempotent matrix A+B=I then B is

    Text Solution

    |

  19. If A is a square matrix then A-A^(T) is a . . . . . .. Matrix

    Text Solution

    |

  20. If A, B are symmetric matrices of the same order then show that AB-BA ...

    Text Solution

    |