Home
Class 12
MATHS
For a 2xx2 matrix A,if AxxadjA=[(10,0),(...

For a 2xx2 matrix A,if Axxadj`A=[(10,0),(0,10)]`then what is the value of `absA`?

Promotional Banner

Topper's Solved these Questions

  • MATRICES DETERMINANTS PROBABILITY

    USHA PUBLICATION|Exercise EXERCISE|59 Videos
  • PRACTICE PAPER

    USHA PUBLICATION|Exercise PRACTICE PAPER|95 Videos

Similar Questions

Explore conceptually related problems

For a 2xx2 matrix A, if A.adjA= [(10,0),(0,10)] , then what is the value of |A| ?

If [(x+y, x-2),(2x-y,0)] = [(2,2),(1,0)] then find the values of x,y?

If A=[{:(2,0,1),(2,1,3),(1,-1,0):}] then find the value of A^(2)-3A+2I

If [{:(1,2,3):}] A=[0] , then what is the order of the matrix A ?

If [[1, 2, 3]] A = [0] then what is the order of the matrix.

Find the 2xx2 matrix X, if X+[{:(0,1),(1,0):}]=[{:(2,0),(0,2):}]

If absveca=10,absvecb=1 and veca.vecb=0 then what is the value of |vecaxxvecb| ?

USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. What is the equation of the plane |r to y-axis and passing through(2,-...

    Text Solution

    |

  2. Find least non negative integer r such that 7xx13xx23xx413 -= r "(mod ...

    Text Solution

    |

  3. For a 2xx2 matrix A,if AxxadjA=[(10,0),(0,10)]then what is the value o...

    Text Solution

    |

  4. Write the Order and degree of the differential equation whose general ...

    Text Solution

    |

  5. With 4 different elements how many different determinant of order 2 ca...

    Text Solution

    |

  6. What is the value of a so that 6hati+2hatj-3hatk and hati-4hatj+ahatk...

    Text Solution

    |

  7. If "sin"^(-1)x+"sin"^(-1)y+"sin"^(-1)z=pi, show that xsqrt(1-x^(2))+ys...

    Text Solution

    |

  8. Find the feasible solution region of the following system:-x+yge-1,x+y...

    Text Solution

    |

  9. If "tan"^(-1) x +"tan" ^(-1) y +"tan"^(-1)z -pi show that x+y+z=xyz.

    Text Solution

    |

  10. If p is a prime and ab-=0 (mod p) then show that either a=0 (mod p) or...

    Text Solution

    |

  11. If A+B+C=pi,then show that Abs((-1,cosC,cosB),(cosC,-1,cosA),(cosB,cos...

    Text Solution

    |

  12. Prove that the following. [[1+a,1,1],[1,1+b,1],[1,1,1+c]] = abc(1+1/...

    Text Solution

    |

  13. If A=[(1,2),(2,3),(3,4)]and B=[(2,3,0),(1,2,3)],then verify that (AB)^...

    Text Solution

    |

  14. Find A^-1 if A=[(4,-1),(2,3)]

    Text Solution

    |

  15. Express[(3,-1,0),(2,2,5),(1,3,2)]as sum of a symmetric and a skew symm...

    Text Solution

    |

  16. Find the point on the curve x^2 + y^2 - 4xy + 2 = 0 where the normal...

    Text Solution

    |

  17. If sin (x + y) = y cos (x + y) then prove that dy/dx =-(1 + y^2)/y^2

    Text Solution

    |

  18. Find the interval where f(x)=sinx,x in[0,2pi] increasing.

    Text Solution

    |

  19. If siny=xcos(a+y),show that dy/dx=cos^2(a+y)/cosaand find the value of...

    Text Solution

    |

  20. Determine the area of the region bounded by y^2=x^3 and the double ord...

    Text Solution

    |