Home
Class 12
MATHS
Find the value of a and b for which the ...

Find the value of a and b for which the following holds :
`[(a,b),(-a,2b)][(2),(-1)]=[(5),(4)]`

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

Find the values of 'a' and 'b' for which the following hold: {:[(3,2),(7,a)][(5,-2),(-7,b)] = [(1,0),(0,1)] .

Find the values of 'a' and 'b' of which : {:[(1,b),(-a,2b)][(2),(-1)]= [(5),(4)]

Find the values of a, b, c and d from the following equation: [(2a+b, a-2b), (5c-d, 4c+3d)] = [(4, -3),(11,24)].

Find the values of a, b, c and d from the following equation : [[2a+b,a-2b],[5c-d,4c+3d]]=[[4,-3],[11,24]] .

Find the value of the following expressions for a = 3, b = 2. a + b

Find the values of a and b in each of the following (5+2sqrt3)/(7+4sqrt3)=a-bsqrt3

Find the value of the following expressions for a = 3, b = 2. 7a – 4b

Find the value of a and b for which the following system of equations has infinite number of solutions. 2x + 3y = 7, (a + b) x + (2a - b) y = 3 (a + b + 1 ) .

PRADEEP PUBLICATION-MATRICES-EXERCISE
  1. Find the value of a and b for which the following holds : [(a,b),(...

    Text Solution

    |

  2. IF a matrix has 12 elements, what are the possible orders it has 7 ele...

    Text Solution

    |

  3. Give an examples of a matrix which is a row as well as a column matrix...

    Text Solution

    |

  4. Give an example of a matrix which is a scalar matrix which is not a un...

    Text Solution

    |

  5. Give an example of a matrix which is a diagonal matrix which is not a ...

    Text Solution

    |

  6. Classify the following matries: [ 1 + I - 3 sqrt2 i]

    Text Solution

    |

  7. Classify the following matries: [(sqrt2, 0),(sqrt3,2)]

    Text Solution

    |

  8. Classify the following matries: [(2,0,3,5),(0,1,-1,2)]

    Text Solution

    |

  9. Classify the following matries: [(-2,0),(0,1)]

    Text Solution

    |

  10. Classify the following matries: [(0,2,2),(2,0,2),(2,2,0)]

    Text Solution

    |

  11. Classify the following matries: [(4,0,0,0),(0,4,0,0),(0,0,4,0),(0,0,...

    Text Solution

    |

  12. Classify the following matries: [(1,0,0,0),(0,1,0,0),(0,0,1,0),(0,0,...

    Text Solution

    |

  13. Classify the following matries: [(2-i),(-3),(0),(6)]

    Text Solution

    |

  14. Construct a 2 x 3 matrix A = [a(ij)] for which a(ij) = i + j

    Text Solution

    |

  15. Construct a 2 xx 3 matrix A = [a(ij)](2 xx 3) for which a(ij) = i - j

    Text Solution

    |

  16. Construct a 2 xx 3 matrix A = [a(if)] for which a(ij) = i/j

    Text Solution

    |

  17. Construct a 3 xx 5 matrix B = [b(ij)] such that b(ij) = i + j

    Text Solution

    |

  18. Construct a 3 xx 5 matrix B = [b(ij)] such that b(ij) = i - j

    Text Solution

    |

  19. Construct a 3 xx 5 matrix B = [b(ij)] such that b(ij) = = ij

    Text Solution

    |

  20. Construct a 3 xx 5 matrix B = [b(ij)] such that b(ij) = = i/j

    Text Solution

    |

  21. If [(x-y, z),(2x-y, w)] = [(-1,4),(0,5)], find x , y , z and w.

    Text Solution

    |