Home
Class 12
MATHS
If P=[[sqrt3/2,1/2] , [-1/2,sqrt3/2]] an...

If `P=[[sqrt3/2,1/2] , [-1/2,sqrt3/2]]` and `A=[[1,1] , [0,1]]` and `Q=PAP^T` and `x=P^TQ^(2005)P` then x is equal to

A

`[(1, 2005),(0, 1)]`

B

`[(4+2005sqrt(3),6015),(2005,4-2005sqrt(3))]`

C

`(1)/(4)[(2+sqrt(3),1),(-1,2-sqrt(3))]`

D

`(1)/(4)[(2005, 2-sqrt(3)),(2+sqrt(3), 2005)]`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MOTION|Exercise Exercise - 4 (Level-I)|19 Videos
  • LIMIT

    MOTION|Exercise EXERCISE-4|17 Videos
  • MAXIMA AND MINIMA

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|17 Videos

Similar Questions

Explore conceptually related problems

If P=[[(sqrt(3))/(2),(1)/(2)-(1)/(2),(sqrt(3))/(2)]] and A=[[1,10,1]] and Q=PAP^(T) and x,=P^(T)Q^(2005)P then x is

If P=[[(sqrt(3))/(2),(1)/(2)-(1)/(2),(sqrt(3))/(2)]],A=[[1,10,1]] and Q=PAP^(T) and X=P^(T)Q^(2005)P, then X equal to:

If P= [[sqrt(3)/2, 1/2],[-1/2 , sqrt(3)/ 2]], A = [[1,1],[0,1]]and Q= PAP^(T) , the ltbr. P^(T)(Q^(2005)) P equal to

If P=[[(sqrt(3))/(2),(1)/(2)-(1)/(2),(sqrt(3))/(2)]],A=[[1,10,1]] and Q=PAP^(T), then P^(T)Q^(2015)P is

If P=[[(sqrt(3))/(2),(1)/(2)-(1)/(2),(sqrt(3))/(2)]],A=[[1,10,1]] and Q=PAP^(T), then P^(T)Q^(2013)P=

P=[[(sqrt(3))/(2),(1)/(2)],[-(1)/(2),(sqrt(3))/(2)]] and A =[[1,1],[0,1]] , Q= PAP^T and P^TQ^(2020)P=[[alpha,gamma],[beta,alpha]] then alpha+beta+gamma

If {:P=[(sqrt3/2,1/2),(1/2,sqrt3/2)],A=[(1,1),(0,1)]:}and Q=PAP^T," then" P^TQ^2015P , is

MOTION-MATRICES -Exercise - 4 (Level-II)
  1. Let A=[1 0 0 0 1 1 0-2 4],I=[1 0 0 0 1 0 0 0 1]a n dA^(-1)=[1/6(A^2+c ...

    Text Solution

    |

  2. If P=[[sqrt3/2,1/2] , [-1/2,sqrt3/2]] and A=[[1,1] , [0,1]] and Q=PAP^...

    Text Solution

    |

  3. If A= ((1,0,0),(2,1,0),(3,2,1)), U(1), U(2), and U(3) are column matri...

    Text Solution

    |

  4. Let A = [(1,0,0), (2,1,0), (3,2,1)], and U1, U2 and U3 are columns of ...

    Text Solution

    |

  5. If A= ((1,0,0),(2,1,0),(3,2,1)), U(1), U(2), and U(3) are column matri...

    Text Solution

    |

  6. Match the following {:("(A) The minimum value of "(x^(2)+2x+4)/(x+2)...

    Text Solution

    |

  7. Let A be the set of all 3 xx 3 symmetric matrices all of whose entrie...

    Text Solution

    |

  8. Let A be the set of all 3xx3 symmetric matrices all of whose either 0 ...

    Text Solution

    |

  9. Let A be the set of all 3xx3 symmetric matrices all of whose either 0 ...

    Text Solution

    |

  10. The number of 3xx3 matrices A whose entries are either 0or1 and for wh...

    Text Solution

    |

  11. Let p be an odd prime number and Tp be the following set of 2 x 2 ma...

    Text Solution

    |

  12. Let p be an odd prime number and Tp be the following set of 2 x 2 ma...

    Text Solution

    |

  13. Let p be an odd prime number and Tp be the following set of 2 x 2 ma...

    Text Solution

    |

  14. Let K be a positive real number and A=[2k-1 2sqrt(k)2sqrt(k)2sqrt(k)1-...

    Text Solution

    |

  15. Let M be a 3xx3 matrix satisfying M[{:(0),(1),(0):}]=[{:(-1),(2),(3):}...

    Text Solution

    |

  16. Let P = [a(ij)] " be a " 3 xx 3 matrix and let Q = [b(ij)], " where " ...

    Text Solution

    |

  17. If P is a 3xx3 matrix such that P^T = 2P+I, where P^T is the transpose...

    Text Solution

    |

  18. If the adjoint of a 3 3 matrix P is 1 4 4 2 1 7 1 1 3 , then the po...

    Text Solution

    |

  19. For 3xx3 matrices Ma n dN , which of the following statement (s) is (a...

    Text Solution

    |

  20. Let Ma n dN be two 3xx3 matrices such that M N=N Mdot Further, if M!=N...

    Text Solution

    |