Home
Class 12
MATHS
Find x, if [[x,-5,-1]] [[1, 0, 2],[ 0...

Find `x`, if `[[x,-5,-1]] [[1, 0, 2],[ 0, 2, 1],[ 2, 0, 3]][[x],[ 4],[ 1]]=0`

Promotional Banner

Topper's Solved these Questions

  • LINEAR PROGRAMMING

    V PUBLICATION|Exercise QUESTION BANK|39 Videos
  • PROBABILITY

    V PUBLICATION|Exercise QUESTION BANK|132 Videos

Similar Questions

Explore conceptually related problems

For what values of x:[[1, 2, 1]] [[1, 2, 0],[ 2, 0, 1],[ 1, 0, 2]][[0],[ 2],[ x]]=0 ?

Find X if Y=[[3,2],[1,4]] 2X+Y=[[1,0],[-3,2]]

Show that i) [[5 , (-1)],[ 6, 7]][[2, 1],[ 3 ,4]] ne[[2 , 1 ],[3 , 4]][[5, (-1)],[ 6 ,7]] ii) [[1, 2 , 3],[ 0 , 1, 0],[ 1 , 1, 0]][[(-1), 1, 0],[ 0, (-1), 1],[ 2, 3, 4]] ne[[(-1), 1, 0],[ 0, (-1), 1],[ 2, 3, 4]] [[1 , 2, 3],[ 0, 1, 0],[ 1, 1, 0]] .

Find A^2-5 A+6 I , if A=[[2, 0, 1],[ 2 ,1 , 3],[ 1, -1, 0]]

Find X , if Y=[[3 ,2],[ 1 , 4]] and 2 X+Y=[[1 , 0],[ -3, 2]]

Find X and Y , if X+Y=[[5 , 2],[ 0, 9]] and X-Y=[[3, 6],[ 0 , -1]]

Find x and y if 2[[1,3],[0,x]]+[[y,0],[1,2]]=[[5,6],[1,8]]

Evaluate the determinants (i) |[3 , -1, -2],[ 0, 0, -1],[ 3, -5, 0]| (ii) |[3 , -4, 5],[ 1, 1, -2],[ 2, 3, 1]| iii) |[0, 1, 2],[ -1, 0, -3],[ -2, 3, 0]| iv) |[2, -1, -2],[ 0, 2, -1],[ 3, -5, 0]|

Find X and Y , if i) X+Y=[[7, 0],[ 2, 5]] and X-Y=[[3 , 0],[ 0 , 3]] ii) 2 X+3 Y=[[2 , 3 ],[ 4 , 0]] and 3 X+2 Y=[[2, (-2)],[ (-1) , 5]]

Find A^2-5A+6I , if A=[[2,0,1],[2,1,3],[1,-1,0]]

V PUBLICATION-MATRICES-QUESTION BANK
  1. Find the values of x, y, z, if the matrix A=[[0, 2 y, z],[ x, y, ...

    Text Solution

    |

  2. For what values of x:[[1, 2, 1]] [[1, 2, 0],[ 2, 0, 1],[ 1, 0...

    Text Solution

    |

  3. If A=[[3,1],[-1,2]] then Hence show that A^2-5A+7I=0

    Text Solution

    |

  4. Find x, if [[x,-5,-1]] [[1, 0, 2],[ 0, 2, 1],[ 2, 0, 3]][[x],[...

    Text Solution

    |

  5. Find the matrix X so that X[[1 , 2, 3],[ 4, 5, 6]]=[[-7, -8, -9]...

    Text Solution

    |

  6. If A and B are square matrices of the same order such that A B=B A,the...

    Text Solution

    |

  7. If A=[[alpha ,beta],[ gamma , -alpha]] is such that A^2=I, then A) ...

    Text Solution

    |

  8. If the matrix A is both symmetric and skew symmetric, then: A)A is a d...

    Text Solution

    |

  9. If A is a square matrix such that A^2=A, then (I+A)^3-7 A is equal to ...

    Text Solution

    |

  10. Construct a m xx n matrix A=[[a(ij)]] whose elements a(ij) is given by...

    Text Solution

    |

  11. If [[a+b ,2],[ 5 , a b]]=[[6 , 2],[ 5, 8]], find the values of a an...

    Text Solution

    |

  12. Complete the following product [[1 , 0 , -5],[ 2, 0, 4]][[3 , 1],[ ...

    Text Solution

    |

  13. Find the product [[2],[ -1],[ 3]][[1 , 3 ,6]]

    Text Solution

    |

  14. If omega is a complex cube root of unity, show that [[1 , omega, ome...

    Text Solution

    |

  15. If A(alpha)=[[cos alpha, sin alpha],[ -sin alpha , cos alpha]], then...

    Text Solution

    |

  16. Show that the matrix A=[[1 ,-1, 1],[ 1, -1, 1],[ 1, -1, 1]] is...

    Text Solution

    |

  17. There are three families. Family A consists of 2 men, 3 women and 1 ch...

    Text Solution

    |

  18. Express [[4 , 3 , 7],[ 6 , 5, -8],[ 1, 2, 6]] as the sum of a sy...

    Text Solution

    |

  19. a) Construct a 3 xx 3 matrix A whose elements are given by a(ij)=2 i-j...

    Text Solution

    |

  20. A=[[1, 4, -1],[ 2, 5, 4],[ -1, -6, 3]]Write A as the sum of a ...

    Text Solution

    |