Home
Class 12
MATHS
Select the correct option from the given...

Select the correct option from the given alternatives.If A = `frac{1}{2}` `[[1,-4],[-1,2]]`.
Then find the A'A. (a) `1/2[[1,-3],[-3,10]]` (b) `1/4[[2,4],[4,-2]]` (c) `1/2[[1,-3],[3,-6]]` (d) `1/4[[3,1],[-1,-3]]`

A

(a) `[[2,4],[-1,1]]`

B

(b) `[[2,4],[1,-1]]`

C

(c) `[[2,-4],[1,1]]`

D

(d) `[[2,4],[1,1]]`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Matrices

    CHETANA PUBLICATION|Exercise EXERCISE|96 Videos
  • Mathematical Logic

    CHETANA PUBLICATION|Exercise EXERCISE|44 Videos
  • PROBABILITY DISTRIBUTIONS

    CHETANA PUBLICATION|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

Select the correct option from the given alternatives: tan(2tan^-1(frac{1}{5})-frac{pi}{4})

Select the correct options from the given alternatives.If |(6i,-3i,1),(4,3i,-1),(20,3,i)|=x+iy then

Select the correct option from the given alternatives. If A = [[0,1],[1,0]] the adjoint of the matrix A is i] [[0,-1],[-1,0]] ii] [[1,4],[-3,2]] iii] [[1,3],[4,-2]] iv] [[-1,-3],[-4,2]]

Select the correct option from the given alternatives: If A = [[3,-3,4],[2,-3,4],[0,-1,1]] then A^-1 = i] A ii] A^2 iii] A^3 iv] A^4

Select the correct option from the given alternatives. If A = [[1,-2],[5,-3]] then A+A^T equals i] [[2,3],[3,-6]] ii] [[2,-4],[10,6]] iii] [[2,4],[-10,6]] iv] [[1,0],[0,1]]

Select the correct option from the given alternatives.If A = [[2,3],[4,6]] , then A^-1 = i] [[1,2],[-4,6]] ii] [[2,-3],[4,6]] iii] [[-2,4],[-3,6]] iv] Does not exist

Select the correct options from the given alternatives: If [[5,7],[x,1],[2,6]]-[[1,2],[-3,5],[2,y]]=[[4,5],[4,-4],[0,4]] then

Select the correct option from the given alternatives: If tan^-1(2x)+tan^-1(3x) = frac{pi}{4} , then x = A) -1 B) frac{1}{6} C) frac{2}{6} D) frac{3}{2}

Select and write the correct answer from the given alternatives in each of the following:The matrix [[2,0,-3],[1,-1,4]] is a

Select and write the correct answer from the given alternatives in each of the following:If A=[[1,-2,4],[2,3,2],[3,1,5]] and b=[[0,-2,4],[1,3,2],[-1,1,5]] then A+B is

CHETANA PUBLICATION-Matrices-EXERCISE
  1. Select the correct option from the given alternatives.The inverse of a...

    Text Solution

    |

  2. Select the correct option from the given alternatives.For a 2xx2 matri...

    Text Solution

    |

  3. Select the correct option from the given alternatives.If A = frac{1}{2...

    Text Solution

    |

  4. Select the correct option from the given alternatives. The matrix [[0,...

    Text Solution

    |

  5. Select the correct option from the given alternatives. From the matrix...

    Text Solution

    |

  6. Select the correct option from theg given alternativesIf A and B are n...

    Text Solution

    |

  7. Select the correct option from theg given alternativesIf A and B are n...

    Text Solution

    |

  8. Select the correct option from the given alternatives. If A = [[1,2],...

    Text Solution

    |

  9. Select the correct option from the given alternatives. If A is a matri...

    Text Solution

    |

  10. Select the correct option from the given alternatives. If A = [[3,2],[...

    Text Solution

    |

  11. Select the correct option from the given alternatives. If A = [[1,-2],...

    Text Solution

    |

  12. Select the correct option from the given alternatives.If for any 2xx2 ...

    Text Solution

    |

  13. Select the correct option from the given alternatives. If A = [[a,c],[...

    Text Solution

    |

  14. Select the correct option from the given alternatives. If A = [[2,3],[...

    Text Solution

    |

  15. If A and B are square matrices of the same order and AB = 3I, then A^-...

    Text Solution

    |

  16. Select the correct option from the given alternatives. If for the mat...

    Text Solution

    |

  17. Select the correct option from the given alternatives:If A = [[i,0],[0...

    Text Solution

    |

  18. Select the correct option from the given alternatives. If A is an inve...

    Text Solution

    |

  19. Select the correct option from theg given alternativesIf A and B are n...

    Text Solution

    |

  20. If A = [[a,b],[c,d]] then adj(adjA) is equal to; i] adjA ii] A ii...

    Text Solution

    |