Home
Class 12
MATHS
Write down a scalar matrix of order 2 wh...

Write down a scalar matrix of order 2 whose (2,2)th entry is -1.

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    PRADEEP PUBLICATION|Exercise EXERCISE|335 Videos
  • LINEAR PROGRAMMING

    PRADEEP PUBLICATION|Exercise EXERCISE|135 Videos
  • MODEL PAPER (1)

    PRADEEP PUBLICATION|Exercise EXERCISE|35 Videos

Similar Questions

Explore conceptually related problems

Write down the identity matrix of order 2.

Write down a pari of integers whose sum is 0

Write down a pari of integers whose sum is -3

Write down a pari of integers whose: sum is -7

Write down a pair of integers whose sun is (-7)

If A is a skew symmetric matrix of order 3, write down its (2,2)th element.

Find the number of all possible matrices of order 2xx2 with entries 0,1 or 2.

If A is a scalar matrix of order 3xx3 such that a_22 = 5 , then find det A.

Write down a pair of integers whose sum is 0 .

PRADEEP PUBLICATION-MATRICES-EXERCISE
  1. If A = [(cos theta, sin theta),(-sin theta, cos theta)] and B = [(sin ...

    Text Solution

    |

  2. Find the matrix X such that A + 2 B + X = O, where A = [(3,-2),(1,5)] ...

    Text Solution

    |

  3. Write down a scalar matrix of order 2 whose (2,2)th entry is -1.

    Text Solution

    |

  4. Give an example of a 3xx3 lower triangular matrix.

    Text Solution

    |

  5. If A is of order 5 xx 3, what is the number of elements in a row of A...

    Text Solution

    |

  6. If A is of order mxxn, find the number of elements in a column of A.

    Text Solution

    |

  7. If A is of order mxx2 and both A + B and AB are defined, find m.

    Text Solution

    |

  8. Write the diagonal of the matrix A = [(1,0,2),(2,0,3),(3,6,4)].

    Text Solution

    |

  9. Find the number of all possible matrices of order 2xx2 with entries 0,...

    Text Solution

    |

  10. If A = [(2,3),(1,2)], B = [(1,3,2),(4,3,1)], C = [(1),(2)] and D = [(4...

    Text Solution

    |

  11. If A 3xx3 invertible matrix, then show that for any scalar 'k' (non-ze...

    Text Solution

    |

  12. If [2x,3] {:[(1,2),(-3,0)][(x),(8)]= O, find the value of 'x'.

    Text Solution

    |

  13. If P = [(x,0,0),(0,y,0),(0,0,z)]and Q = [(a,0,0),(0,b,0),(0,0,c)], ver...

    Text Solution

    |

  14. Find x,y if x[(2),(1)] + y[(3),(5)] - [(-8),(-11)] = O

    Text Solution

    |

  15. If possible , find the sum of the matrices of A and B, where A = [(sqr...

    Text Solution

    |

  16. If A = [(cos alpha, - sinalpha),(sinalpha, cosalpha)], then for what v...

    Text Solution

    |

  17. If {:((1,2),(3,4)),((3,1),(2,5)),= ((7,11),(k,23)), then write the val...

    Text Solution

    |

  18. If A = [(2,3),(5,-2), write A^-1 in terms of A.

    Text Solution

    |

  19. If A is a square matrix such that A^2 = A, then write the value of 7A-...

    Text Solution

    |

  20. Solve the following equations for x : [x 1] {:[(1,0),(-2,0)] = 0

    Text Solution

    |