Home
Class 12
MATHS
If [a+4 3b8-6]=[2a+2b+2 8a-8b] , write t...

If ``[a+4 3b8-6]`=[2a+2b+2 8a-8b]` , write the value of `a-2b` .

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ADJOINTS AND INVERSE OF MATRIX

    RD SHARMA ENGLISH|Exercise All Questions|181 Videos

  • ALGEBRA OF VECTORS

    RD SHARMA ENGLISH|Exercise All Questions|325 Videos

Similar Questions

Explore conceptually related problems

If (a+4 3b8-6)=(2a b+2 8a-8b), write the value of a-2bdot

If 2a+b=8 , what is the value of 9^(a)3^(b) ?

If a : b = 3: 8 , find the value of (4a + 3b)/(6a-b) .

If [(a+b,2),( 5,a b)]=[(6, 2),( 5, 8)] , find the values of a and b .

If a+2b=13 and 8a+b=20 , what is the value of 3a+b ?

If 7c+8b=15and 3b-c=2, what is the value of b ?

If a - 2b + 3c= 0 , state the value of a^(3) -8b^(3) + 27c^(3)

A function a satisfies a (-2)=3 and a (3) =8.A function b satisfies b (3) =4 and b (7) =-2. What is the value of a (b(7)) ?

If origin is the centroid of the triangle with vertices P(3a, 3, 6), Q (-4, 2b, -8) and R(8, 12, 2c), then the value of a, b, and c are

If [(a+b,2),(5,ab)]=[(6,2),(5,8)] , then find the values of a and b respectively.

RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. If 2|(3, 4),( 5,x)|+|(1,y),(0, 1)|=|(7, 0),(10, 5)| , find x-y .

    Text Solution

    |

  2. If [x\ \ 1][(1 ,0),(-2, 0)]=O , find xdot

    Text Solution

    |

  3. If [a+4 3b8-6]=[2a+2b+2 8a-8b] , write the value of a-2b .

    Text Solution

    |

  4. Write a 2xx2 matrix which is both symmetric and skew-symmetric.

    Text Solution

    |

  5. If [(x y,4),(z+6,x+y)]=[(8,w),(0, 6)] , write the value of (x+y+z) .

    Text Solution

    |

  6. Construct a 2xx2 matrix A=[a(i j)] whose elements a(i j) are given by ...

    Text Solution

    |

  7. If [x+y x-y]=[2 1 4 3][1-2] , then write the value of (x ,\ y) .

    Text Solution

    |

  8. Matrix A=[(0, 2b,-2) ,(3 ,1, 3), (3a,3,-1)] is given to be symmetric, ...

    Text Solution

    |

  9. Write the number of all possible matrices of order 2xx2 with each e...

    Text Solution

    |

  10. If [2\ \ 1\ \ 3][-1 0-1-1 1 0 0 1 1][1 0-1]=A , then write the order o...

    Text Solution

    |

  11. If A=[3 5 7 9] is written as A=P+Q , where P is symmetric and Q is sk...

    Text Solution

    |

  12. If A=[(1 ,0, 0),(0, 1,0),( a,b, -1)] , then A^2 is equal to (a) a n...

    Text Solution

    |

  13. If A=[(i,0), (0,i)],\ n in N , then A^(4n) equals [(0,i), (i,0)] (b) ...

    Text Solution

    |

  14. If A and B are two matrices such that A B=A and B A=B , then B^...

    Text Solution

    |

  15. If A B=A and B A=B , where A and B are square matrices, then B^2=B ...

    Text Solution

    |

  16. If A and B are two matrices such that AB=B and BA=A , then A^2+B^2=

    Text Solution

    |

  17. If [(cos\ (2pi)/7,-sin\ (2pi)/7),(sin\ (2pi)/7,cos\ (2pi)/7)]^k=[(1,0)...

    Text Solution

    |

  18. If the matrix A B is zero, then It is not necessary that either A=O...

    Text Solution

    |

  19. Let A=[(a,0, 0),( 0,a,0),( 0, 0,a)] , then A^n is equal to [(a^n,0,...

    Text Solution

    |

  20. If A ,\ B are square matrices of order 3,\ A is non-singular and A ...

    Text Solution

    |