Home
Class 12
MATHS
If A is a square matrix of order 3 xx 3,...

If A is a square matrix of order `3 xx 3`, then |KA| is equal to

A

K|A|

B

`K^(2)|A|`

C

`K^(3)|A|`

D

3K|A|

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMON ENTRANCE TEST - 2014

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|60 Videos
  • COMMON ENTRANCE TEST - 2018

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|60 Videos

Similar Questions

Explore conceptually related problems

If A is a square matrix of order 3xx3 , then |KA| is equal to

If A is any aquare matrix of order 3xx3 then |3A| is equal to

Let A be a square matrix of order 3xx3 , then |5A| =

Let A be a square matrix of order 3xx3" then "|5A|=

Let A be a nonsingular square matrix of order 3xx3 .Then |adj A| is equal to

If A,B are square matrices of order 3 , then :

If A is a square matrix of order 3 and |A|=8 , then |adj A| =

If A(adiA)=5I where I is the identity matrix of order 3 , then |adjA| is equal to

If A is square matrix order 3, then |(A - A')^2015| is

HIMALAYA PUBLICATION-COMMON ENTRANCE TEST - 2017-QUESTION BANK
  1. Binary operation * on R -{-1} defined by a ** b = (a)/(b+1) is

    Text Solution

    |

  2. |[3,x],[x,1]|= |[3,2],[4,1]| then x is equal to

    Text Solution

    |

  3. If A is a square matrix of order 3 xx 3, then |KA| is equal to

    Text Solution

    |

  4. The area of triangle with vertices (K, 0), (4,0), (0, 2) is 4 square u...

    Text Solution

    |

  5. Let Delta=|(Ax,x^(2),1),(By,y^(2),1),(Cz,z^(2),1)| and Delta(1)=|(A,B,...

    Text Solution

    |

  6. If F(x)= {(Kx^(2) if x le 2),(3 if x gt 2):} is continuous at x = 2, ...

    Text Solution

    |

  7. The value of C in mean value theorem for the function f(x)=x^(2) in [2...

    Text Solution

    |

  8. The point on the curve y^(2) = x where the tangent makes an angle (pi)...

    Text Solution

    |

  9. The function f(x)=x^(2)+2x-5 is strictly increasing in the interval

    Text Solution

    |

  10. The rate of change of volume of a sphere with respect to its surface a...

    Text Solution

    |

  11. If y=tan^(-1)((sin x + cos x)/(cos x - sin x)), then (dy)/(dx) is equa...

    Text Solution

    |

  12. If y=|(f(x),g(x),h(x)),(1,m,n),(a,b,c)|, then (dy)/(dx) is equal to

    Text Solution

    |

  13. If sin x = (2t)/(1+t^(2)), tan y = (2t)/(1-t^(2)), then (dy)/(dx) is e...

    Text Solution

    |

  14. The derivative of cos^(-1)(2x^(2)-1) w.r.t cos^(-1) x is

    Text Solution

    |

  15. If y = log (log x) then (d^(2)y)/(dx^(2)) is equal to

    Text Solution

    |

  16. int ((x+3)e^(x))/((x+4)^(2)) dx is equal to

    Text Solution

    |

  17. int (cos2x - cos 2theta)/(cosx- costheta)dx is equal to

    Text Solution

    |

  18. int sqrt(x^(2)+ 2x+5) dx is equal to

    Text Solution

    |

  19. int(0)^(pi//2)(tan^(7)x)/(cot^(7)x + tan^(7)x)dx is equal to

    Text Solution

    |

  20. int(-5)^(5)|x+2|dx is equal to

    Text Solution

    |