Home
Class 12
MATHS
If A is 3 × 4 matrix and B is 4 × 3 matr...

If A is `3 × 4` matrix and B is `4 × 3` matrix,then the order of AB is

A

`3 × 4`

B

`4 × 3`

C

`4 × 4`

D

`3 × 3`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Liner Programming

    JMD PUBLICATION|Exercise EXAMPLE|22 Videos

  • Probability

    JMD PUBLICATION|Exercise EXAMPLE|58 Videos

Similar Questions

Explore conceptually related problems

If A is of order 3 × 4 and B is of order 4 × 2 ,then order of AB is __________

If A is of order 3 × 2 and B is of order 3 × 4 ,then order of (AB)' is _________

If AB=C where A is a matrix of order 2xx2 and C is a matrix of order 2xx5 , then the order of B is :

If A is a (x + 2) × (y - 3) matrix and B is a 2 × 5 matrix AB is a 3 × 5 ,then values of x and y are

If A is a matrix of order 3xx4 and B is a matrix of order 4xx3 , find the order of the matrix (AB).

If A is a 3xx4 matrix and B is a matrix such that A'B and BA' are both defined, then B is of the type

fill the blanks: if P is a matrix of order 2×4 and Q is of 4×3 then order of (PQ)' is __________.

JMD PUBLICATION-MATRICES-EXERCISE
  1. Find x if A = [[2,3,-1],[x,-5,0],[-1,0,7]] is symmetric matrix

    Text Solution

    |

  2. The number of all positive matrices of order 3 × 3 with each entry 0 o...

    Text Solution

    |

  3. If A is 3 × 4 matrix and B is 4 × 3 matrix,then the order of AB is

    Text Solution

    |

  4. If A is a (x + 2) × (y - 3) matrix and B is a 2 × 5 matrix AB is a 3 ×...

    Text Solution

    |

  5. If [[4,3],[x,5]] = [[y,3],[1,5]] ,then x^2 + y^2 =

    Text Solution

    |

  6. If A is of order 3 × 4 and B is of order 4 × 2,then order of AB is

    Text Solution

    |

  7. If A is of order 3 × 2 and B is of order 3 × 4,then order of (AB)' is

    Text Solution

    |

  8. If A = [[0,a,3],[2,b+2,-1],[-3,1,0]] is skew symmetric, then 2a + b =

    Text Solution

    |

  9. If A,B are symmetric matrices of the same order,then AB - BA is

    Text Solution

    |

  10. Matrices A and B will be inverse of each other if

    Text Solution

    |

  11. If A = [1,2,3] and B = [[2],[4],[6]],then AB is

    Text Solution

    |

  12. State True/False: If A is a symmetric matrix ,then A' = -A

    Text Solution

    |

  13. State True/False: Every rectangular matrix can be expressed as sum of ...

    Text Solution

    |

  14. State True/False: If A is of order 2 × 3 and B is of order 3 × 4,then ...

    Text Solution

    |

  15. If (A =[[2,3],[4,5]]), prove that A-A' is a skew symmetric matrix wher...

    Text Solution

    |

  16. IF(A=[[3,-4],[-1,2]]), find a matrix B such thet (AB = 1)

    Text Solution

    |

  17. Construct a (2 times 2) matrix where (a(ij)=(i+(2)j)^(2)/(4))

    Text Solution

    |

  18. If (A=[[3,-2],[4,-2]]), find K such that (A^2=KA - 2I2).

    Text Solution

    |

  19. Find x and y, if (2[[1,3],[0,x]]+[[y,0],[1,2]]=[[5,6],[1,8]])

    Text Solution

    |

  20. Show that the matrix BAB) is symmetric or skew symmetric according as ...

    Text Solution

    |