Home
Class 9
MATHS
If A+B={:[(01,-11),(9,7)]:}andA-B={:[(-8...

If `A+B={:[(01,-11),(9,7)]:}andA-B={:[(-8,9),(9,-5)]:}`, then B=

A

`{:[(9,-10),(0,-6)]:}`

B

`{:[(9,10),(0,-6)]:}`

C

`{:[(9/2,-10),(0,6)]:}`

D

`{:[(9,10),(0,6)]:}`

Text Solution

Verified by Experts

The correct Answer is:
C
2B=(A+B)-(A-B).
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 2|20 Videos

  • MATRICES

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 3|20 Videos

  • MATRICES

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Questions|5 Videos

  • LOGARITHMS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3 MCQ|15 Videos

  • NUMBER SYSTEMS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|15 Videos

Similar Questions

Explore conceptually related problems

If A+B={:[(8,-9),(3,5)]:}andA-B={:[(6,5),(1,7)]:} , the A= _______ .

If A-B^(T)={:[(-2,2,1),(3,6,5)]:}andA^(T)+B={:[(-4,5),(8,-2),(9,1)]:} , then matrix A = _______ .

If A-B={:[(18,1,-9),(11,12,2)]:}andA+3B={:[(26,1,3),(-13,-16,10)]:} , then find A.

If A=[(3,2),(7,5)], B=[(6,7),(8,9)] , then adj (AB) is equal to

If A-2B=[[-7,7] , [4,-8]] and A-3B= [[-11,9] , [4, -13]] then find the matrices A and B

Verify (AB)^(-1)=B^(-1)A^(-1) for the matrices A and B where A=[{:(3,2),(7,5):}] and B=[{:(6,7),(8,9):}]

If A={1,2,3,4,5,6,7,8} and B={1,3,5,6,7,8,9}, then A-B={2,4},B-A={9}

If A = {1,2,3,4,5,6,7} and B = {7,8,9,10} , then A-B equals :

PEARSON IIT JEE FOUNDATION-MATRICES-CONCEPT APPLICATION LEVEL 1
  1. If A and B are commute then (A+B)^(2) =

    Text Solution

    |

  2. If A={:[(2,-3,1)]:}andB={:[(4),(2),(-2)]:}, then find 2A^(T)+B

    Text Solution

    |

  3. If {:[(p),(q),(r)]:}andB={:[(3,4,5)]:}, then AB is

    Text Solution

    |

  4. If the orders of matrices A^(T),BandC^(T)" are "3xx4,2xx3and1xx2 respe...

    Text Solution

    |

  5. A is a 2xx2 matrix, such that A={:[(a(ij))]:}, where a(ij)=2i-j+1. The...

    Text Solution

    |

  6. If A+B={:[(01,-11),(9,7)]:}andA-B={:[(-8,9),(9,-5)]:}, then B=

    Text Solution

    |

  7. If A={:((-2,-1),(-5,-3)):}B={:((-3,1),(5,-2)):}and(AB)^(n)=I then n is...

    Text Solution

    |

  8. If A={:((4,3),(-5,2)):}, then A^(2)-6A =

    Text Solution

    |

  9. If A={:((1,5),(3,6)):}and=((34)/(39)), then find the matrix X such tha...

    Text Solution

    |

  10. If {:((2,3),(p,1)):}{:((5,2),(-4,6)):}={:((-2,q),(16,r)):}, then 2p+r=

    Text Solution

    |

  11. If A={:((2,-2),(-2,2)):},B={:((5,3),(-7,2)):}and=C={:((4,2),(-8,1)):} ...

    Text Solution

    |

  12. A={:[(-5,-3,4),(3,2,-4)]:}andB={:[(-4,5,-2),(3,1,5)]:}, then find X s...

    Text Solution

    |

  13. If A+B={:[(7,6),(-3,2)]:}andA-B={:[(1,2),(3,6)]:}, then find A.

    Text Solution

    |

  14. If B-A^(T)={:[(3,4,-2),(5,-3,7)]:}andB^(T)+A={:[(2,0),(5,-1),(3,4)]:},...

    Text Solution

    |

  15. If 2A-3B={:((-27,4,5),(7,6,-15)):}and5A-2B={:((-40,-1,18),(12,15,-21))...

    Text Solution

    |

  16. If A={:[(-1,2),(3,4)]:}andB=A^(T)," then "A^(T)+B^(T)=

    Text Solution

    |

  17. A(x)={:[(0,0,x),(0,0,0)]:} then find the maximum number of possibiliti...

    Text Solution

    |

  18. If A-2B={:[(3,6),(7,6)]:}andA-3B={:[(2,6),(7,5)]:}, then the matrix A ...

    Text Solution

    |

  19. Which of the following matrices satisfies the equation A^(2)+A=O ?

    Text Solution

    |

  20. If A={:[(3,2,7),(1,1,4),(-1,-1,0)]:},B={:[(1,0,3),(2,1,0),(0,-1,-3)]:}...

    Text Solution

    |