Home
Class 12
MATHS
If [[1,-x],[4,-3]] =[[1,8],[4,-3]] then ...

If `[[1,-x],[4,-3]] =[[1,8],[4,-3]]` then value of `x` is :

A

8

B

`-4`

C

3

D

`-8`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ACCURATE PUBLICATION|Exercise SAMPLE QUESTION PAPER -I ( SOLVED ) ( SECTION -B)|6 Videos

  • PROBABILITY

    ACCURATE PUBLICATION|Exercise SAMPLE QUESTION PAPER -I ( SOLVED ) ( SECTION -C )|8 Videos

  • PROBABILITY

    ACCURATE PUBLICATION|Exercise Questions Carrying Type - 4 marks|42 Videos

  • MATRICES

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 6 MARKS |4 Videos

  • RELATION AND FUNCTIONS

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 1 MARK - TYPE-III|11 Videos

Similar Questions

Explore conceptually related problems

If |[[2x,3],[5,x]]| = |[[4,3],[5,8]]| , then positive value of 'x' is equal to :

If |[[2x,3],[-5,x]]| = |[[4,3],[-5,8]]| , then positive value of 'x' is equal to :

If |[[2x,-3],[5,x]]| = |[[4,-3],[5,8]]| , then positive value of 'x' is equal to :

Find the value of: (-1)/8 div 3/4

If |(x+1,x-1),(x-3,x+2)|=|(4,-1),(1,3)| find the value of x.

If {:X=[(3,-4),(1,-1)]:} , the value of X^n is equal to

ACCURATE PUBLICATION-PROBABILITY -SAMPLE QUESTION PAPER -I ( SOLVED ) ( SECTION -A)
  1. Relation given by R={(1,1),(2,2),(1,2),(2,1)} in the set A={1,2} is :

    Text Solution

    |

  2. cos^(-1)(-cos""(2pi)/(3)) is equal to :

    Text Solution

    |

  3. If [[1,-x],[4,-3]] =[[1,8],[4,-3]] then value of x is :

    Text Solution

    |

  4. If order of matrix A is 2 xx 3 and order of matrix B is 3 xx 5, then o...

    Text Solution

    |

  5. If 'f(x)= {[Kx+1,xle5],[3x-5,x>5]:}' is continuous at x=5 then value o...

    Text Solution

    |

  6. (d)/(dx){tan^(-1)(e^(x))} is equal to :

    Text Solution

    |

  7. Slope of tangent to the curve 'y = x^2-2x+1' at x=3 is :

    Text Solution

    |

  8. int3x^(2)dx is equal to :

    Text Solution

    |

  9. int0^(pi/2) sin^(1/2x)/(sin^(1/2)x+cos^(1/2)x)dx is equal to :

    Text Solution

    |

  10. Degree of differential equation (d^(2)y)/(dx^(2))-2(dy)/(dx)+3y=0 is :

    Text Solution

    |

  11. If veca*vecb=|vecaxxvecb|, then angle between vector veca and vector v...

    Text Solution

    |

  12. If veca.vecb=0 then angle between vector veca and vecb is:

    Text Solution

    |

  13. Direction ratios of line given by line (x-1)/3=(2y+6)/12=(1-z)/-7 are...

    Text Solution

    |

  14. Maximum value of Z=3x+y for the constraints x+yle4, xge0, yge0 is :

    Text Solution

    |

  15. If P(A) = 1/2, P(B) = 3/8 and P(A nn B) = 1/5· then P(A/B) is equal to...

    Text Solution

    |

  16. Value of sin^-1(1) is

    Text Solution

    |

  17. If A=[a(ij)](2×3) such that a(ij)=i+j then a 11=

    Text Solution

    |

  18. If |[x,0],[7,1]|=|[3,0],[7,1]| then x=

    Text Solution

    |

  19. If 'y=cos x ' then at'x=0', 'dy/dx=..........'.

    Text Solution

    |

  20. int(0)^(5)dx= ……………….

    Text Solution

    |