Home
Class 14
MATHS
What should be the value of x so that th...

What should be the value of x so that the matrix `({:(2,4),(-8,X):})` does not have an inverse ?

A

16

B

`-16`

C

8

D

`-8`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MATRIX

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|91 Videos

  • LOGARITHM

    PUNEET DOGRA|Exercise PREVIOUS YEAR QUESTIONS|24 Videos

  • PERMUTATION AND COMBINATION

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|50 Videos

Similar Questions

Explore conceptually related problems

For what value of 'x' the matrix [{:(2-x,3),(-5,-1):}] is not invertible ?

The value of x such that the matrix [[1,3,2],[2,5,x],[4,7-x,-6]] has no inverse is

[{:(2,1),(4,2):}] find the inverse of matrix

Find the inverse of the matrix A = [{:(2, -4), (3, -5):}] .

The value of x so that the matrix [[2(x+1), 2x],[x, x-2]] is singular, is :

What should be added to 7x+5-8x^(2) , so that the sum is 15x+9x-5 ?

What should be the value of k so that the system of linear equations x - y + 2z = 0, kx - y + z = 0, 3x + y - 3z = 0 does not possess a unique solution ?

What should be the value of k so that the system of linear equations x - y + 2z = 0, kx - y + z = 0, 3x + y - 3z = 0 does not possess a unique solution ?

Find the inverse of matrix [{:(6,7),(8,9):}]

For what value of x, the matrix [(5-x,x+1),(2,4)] is singular?

PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
  1. Consider the following in respect of matrices A,B and C of same order....

    Text Solution

    |

  2. The system of equation 2x+y-3z=5 3x-2y+2z=5 and 5x-3y-z=16

    Text Solution

    |

  3. What should be the value of x so that the matrix ({:(2,4),(-8,X):}) do...

    Text Solution

    |

  4. If A and B are two invertible square matrices of same order, then what...

    Text Solution

    |

  5. What is the adjoint of the matrix : ({:(cos (-theta),-sin (-theta)),...

    Text Solution

    |

  6. For a square matrix A. which of the following properties hold ? I. (...

    Text Solution

    |

  7. A square matrix A is called orthogonal if.

    Text Solution

    |

  8. If A=({:(1,2),(2,3):}) and A^(2) -KA-I(2)=O," where "I(2) is the 2xx2 ...

    Text Solution

    |

  9. If A is a 2xx3 matrix and AB is a 2xx5 matrix. Then B must be a

    Text Solution

    |

  10. What is the inverse of the matrix A=({:(cos theta, sin theta ,0),(- ...

    Text Solution

    |

  11. If A=[{:(4i-6,10i),(14i,6+4i):}] and K=(1)/(2i), where i= sqrt(-1). Th...

    Text Solution

    |

  12. If A is a square matrix, then the value of adj A^(T)-(adj A)^(T) is eq...

    Text Solution

    |

  13. If a,b,c are non-zero real numbers, then the inverse of the matrix A=[...

    Text Solution

    |

  14. The ad joint of the matrix A= [{:(1,0,2),(2,1,0),(0,3,1):}] is :

    Text Solution

    |

  15. If A=({:(-2,2),(2,-2):}), then which one of the following is correct ?

    Text Solution

    |

  16. The matrix A has x rows and x+5 columns The matrix B has y rows and 11...

    Text Solution

    |

  17. If alpha and beta are the roots of the equation 1+x+x^(2)=0, then the ...

    Text Solution

    |

  18. If A=[{:(cos alpha, sin alpha),(-sin alpha, cos alpha):}], then what i...

    Text Solution

    |

  19. The equations x+2y+3z=1 2x+y+3z=1 5x+5y+9z=4

    Text Solution

    |

  20. A=[{:(x+y, y),(x, x-y):}](2) B=[{:(3),(-2):}] and C=[{:(4),(-2):}], If...

    Text Solution

    |