Home
Class 12
MATHS
If [(2,1,0),(0,2,1),(1,0,2)] then |adjA|...

If `[(2,1,0),(0,2,1),(1,0,2)]` then `|adjA|=`

A

43839

B

81

C

0

D

9

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2008

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

  • KARNATAKA CET 2010

    KCET PREVIOUS YEAR PAPERS|Exercise Mathematics|60 Videos

Similar Questions

Explore conceptually related problems

If A= [[2,1,0],[0,2,1],[1, 0,2]] then |adj A|=

If A=[(2,3,1),(1,0,2),(2,1,0)] then the matrix of co-factors of A, is

If A=[(0,1),(0,2)],B=[(1,2),(0,0)] , then AB is equal to

If A = [(1,0,2),(0,2,1),(2,0,3)] , prove that A^(3) -6A^(2) + 7A + 2I = 0 .

If A= {:[( 1,0,1),(0,1,2),(0,0,4)]:} ,then show that |3A| =27|A|

If A = [(1,0,0),(0,1,1),(0,-2,4)] and also A^(-1)=1/6 (A^(2)+cA+dI) , where I is unit matrix , then the ordered pair (c,d) is :

The inverse of the matrix [(2,5,0),(0,1,1),(-1,0,3)] is

If A = [{:(1,0,2),(0,2,1),(2,0,3):}],Provethat A^(3)-6A^(2)+7A+21=0

If A= ((2,0,1),(2,1,3),(1,-1,0)) then find the value of A^(2)-3A +2I.

If A = [(1,0,1),(0,1,2),(0,04)] , then show that |3A| = 27|A| .

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2009-MATHEMATICS
  1. If ||(x+1,x+2,x+a),(x+2,x+3,x+b),(x+3,x+4,x+c)|=0 then a,b,c are

    Text Solution

    |

  2. The value of |(1,log(x)y,log(x)z),(log(y)x,1,log(y)z),(log(z)x,lo(z)y,...

    Text Solution

    |

  3. If [(2,1,0),(0,2,1),(1,0,2)] then |adjA|=

    Text Solution

    |

  4. If A and B are square matrices of the same order such that (A+B)(A-B)=...

    Text Solution

    |

  5. If bara.barb=-|vec(a)||vecb|, then the angle between bara and barb is

    Text Solution

    |

  6. If veca+2vecb+3vecc=vecO, then vecaxxvecb+vecbxxvecc+veccxxveca=

    Text Solution

    |

  7. If the volume of the parallelopiped with veca,vecb and vecc as cotermi...

    Text Solution

    |

  8. In the group G={0,1,2,3,4,5} under addition moduel 6, (2o+(6)e^(-1)o+(...

    Text Solution

    |

  9. Which one of the following is not true?

    Text Solution

    |

  10. the number of subgroups of the group (Z(5),o+(5)) is

    Text Solution

    |

  11. The negation of p^^(1to ~r) is

    Text Solution

    |

  12. If n=|(2020), then 1/(log(2)n)+1/(log(3)n)+1/(log(4)n)+………..+1/(log...

    Text Solution

    |

  13. If n is a positive integer, then n^(3)+2n is divisible

    Text Solution

    |

  14. Let f:N rarr N defined by f(n)={{:((n+1)/(2) " if n is odd"),(n/2" ...

    Text Solution

    |

  15. If alpha and beta are the roots of x^(2)+x+1=0, then alpha^(16)+beta^(...

    Text Solution

    |

  16. The total number of terms in the expansion of (x+y)^(100)+(x-y)^(100) ...

    Text Solution

    |

  17. cot^(-1)(2.1^(2))+cot^(1)(2.2^(2))+cot^(-1)(2.3)^(2)+………… up to oo =

    Text Solution

    |

  18. If x takes negative permissible value, then sin^(-1)x is equal to

    Text Solution

    |

  19. If 1+sin x+sin^(2)x+…………… upto oo=4+2sqrt(3),0ltxltpi and x!=(pi)/2, t...

    Text Solution

    |

  20. The complex number (1+2i)/(1-i) lies in

    Text Solution

    |