Home
Class 12
MATHS
If A=[{:(4,x+2),(2x-3,x+1):}] is a symm...

If `A=[{:(4,x+2),(2x-3,x+1):}]` is a symmetric matrix, then `x=?`

A

`-1`

B

2

C

3

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MCGROW HILL PUBLICATION|Exercise EXERCISE ( LEVEL -2 ) ( single Correct Answer Type Questions)|17 Videos

  • MATRICES

    MCGROW HILL PUBLICATION|Exercise EXERCISE (Numerical Answer Type Questions)|20 Videos

  • MATRICES

    MCGROW HILL PUBLICATION|Exercise EXERCISE (Concept - based) (Single Correct Answer Type Questions)|10 Videos

  • MATHEMATICAL REASONING

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B. ARCHITECTURE ENTRANCE EXAMINATION PAPERS|11 Videos

  • PARABOLA

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTRE ENTRANCE EXAMINATION PAPERS|9 Videos

Similar Questions

Explore conceptually related problems

If A = [{:(2, x - 2),(2x +3, x -3):}] is a symmetric matrix, then the value of x is

If X is a symmetric matrix, then Y'XY is:

If A=({:(4,x+2),(2x-3,x+1):}) is symmetric, then what is x equal to ?

If A = [{:(0, " "4, -2), (x," " 0,-y), (2, -8, " "0):}] is a skew-symmetric matrix, then x-y =_____.

If [(0,2,1),(-2,0,-2),(-1,x,0)] is a skew symmetric matrix then find the value of x.

if det[[4,x+22x-3,x+1]] is a symmetric then x=

If A=[[-1,2,3],[2,5,6],[3,x,7]] is a symmetric matrix,then find x

MCGROW HILL PUBLICATION-MATRICES-EXERCISE ( LEVEL -1) (Single Correct Answer Type Questions)
  1. Let A(t)=((1,3,2),(2,5,t),(4,7-t,-6)) then the values (s) of t for whi...

    Text Solution

    |

  2. If A=[(a+ib,c+id),(-c+id,a-ib)] and a^(2)+b^(2)+c^(2)+d^(2)=1, then A^...

    Text Solution

    |

  3. If A=[((1)/(2)(e^(ix)+e^(-ix)),(1)/(2)(e^(ix)-e^(-ix))),((1)/(2)(e^(ix...

    Text Solution

    |

  4. If A= [(ab,b^(2)),(-a^(2),-ab)] then A^(2) is equal

    Text Solution

    |

  5. If A is 2xx2 matrix such that A^(2) =O then tr (A) is

    Text Solution

    |

  6. If A = [(a,b),(c,d)] such that A satisfies the relation A^(2)-(a+d) A=...

    Text Solution

    |

  7. If A =[(3,2),(0,1)] then A^(-3) is

    Text Solution

    |

  8. If A is a skew Hermitian matrix then the main diagonal elements of A a...

    Text Solution

    |

  9. If A =[(1,2,1),(0,1,-1),(3,-1,1)] and AA' =I , then x+y is equal to

    Text Solution

    |

  10. If 3A =[(1,2,2),(2,1,-2),(x,2,y)] and A'A =I then x+y is equal to

    Text Solution

    |

  11. If the system of equations ax +y=3,x+2y=3 , 3x+4y=7 is consistent then...

    Text Solution

    |

  12. If the system of equations x+2y-3z=1,(P+2)z=3,(2P+1)y+z=2 is inconsist...

    Text Solution

    |

  13. The system of linear equations x+y+z=2 2x+y-z=3 3x+2y+kz=4 has a...

    Text Solution

    |

  14. If A=[{:(4,x+2),(2x-3,x+1):}] is a symmetric matrix, then x=?

    Text Solution

    |

  15. If A and B are two square matrices of the same order then which of the...

    Text Solution

    |

  16. Value of 'alpha' for which system of equations x+y+z=1,x+2y+4z=alpha a...

    Text Solution

    |

  17. The system of homogenous equations tx+(t+1)y+(t-1)z=0, (t+1)x+ty+(t+...

    Text Solution

    |

  18. If A and B are 3xx3 matrices and abs(A)ne 0, which of the following ...

    Text Solution

    |

  19. If A = ((i,-i),(-i,i)) and B= ((1,-1),(-1,1)) then A^(8) equals

    Text Solution

    |

  20. If A = ((2,3-i,-i),(3+i,pi,7+i),(i,7-i,e)) then A is

    Text Solution

    |