Home
Class 12
MATHS
If A is an invertible matrix of order...

If `A` is an invertible matrix of order `3\ ` and `|A|=5,` then find `|a d jdotA|dot`

Promotional Banner

Topper's Solved these Questions

  • CUET MOCK TEST 2022

    XII BOARDS PREVIOUS YEAR|Exercise Question|49 Videos

Similar Questions

Explore conceptually related problems

If A is an invertible matrix of order 3 and |A|=5, then find |adjA|.

If A is a invertible matrix of order 4 then |A^(-1)|=

If A is an invertible matrix of order 3xx3 such that |A|=2. Then,find adj(adjA).

If A is a sqaure matrix of order 3xx3 and |A|=5 , then |adj.A| is

If A is an invertible square matrix of order 4 , then |adjA|= .......

If A is a square matrix of order 3 and |3A|=k|A| then find the value of k,

If A is an invertible matrix of order n then determinant of adj(A) is equal to

If A is an invertible matrix of order 2, then det (A^(-1)) is equal to

If A is an invertible matrix and B is a matrix, then

If A is a square matrix of order 3 such that |A|=5 , then |Adj(4A)|=

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Evaluate: int("sin"(x-a))/("sin"(x+a))dx

    Text Solution

    |

  2. Differentiate the following function w.r.t. x : x^(sinx)+(sin x)^(...

    Text Solution

    |

  3. If A is an invertible matrix of order 3\ and |A|=5, then find |a d...

    Text Solution

    |

  4. If vec a\ xx\ vec b=\ vec c\ xx\ vec d\ and vec a\ xx\ vec c=\ ...

    Text Solution

    |

  5. Find the value of lamda so that the lines (1-x)/(3)=(7y-14)/(2lamda)=(...

    Text Solution

    |

  6. Solve the following differential equation: (dy)/(dx)+y=cosx-sinx

    Text Solution

    |

  7. Find the particular solution, satisfying the given condition, for t...

    Text Solution

    |

  8. By using properties of determinants, prove the following |(x+4,2x,2x),...

    Text Solution

    |

  9. Write the vector equation of the following line: (x-5)/3=(y+4)/7=(6-z...

    Text Solution

    |

  10. Using integration, find the area of the triangle ABC, coordinates o...

    Text Solution

    |

  11. Find the area of circle 4x^2+4y^2=9 which is interior to the parabo...

    Text Solution

    |

  12. If siny=sin(a+y),\ \ prove that (dy)/(dx)=(sin ^2\ (a+y))/(sina)

    Text Solution

    |

  13. If (cos"x")^y=(sin y)^x , find (dy)/(dx)

    Text Solution

    |

  14. Solve the following differential equation: ((x^2-1)dy)/(dx)+2x y=1/(x...

    Text Solution

    |

  15. Solve the following differential equation: sqrt(1+x^2+y^2+x^2\ y^2)\ ...

    Text Solution

    |

  16. If y=logtan(pi/4+x/2),\ show that (dy)/(dx)=secxdot Also find the ...

    Text Solution

    |

  17. If y=cos^(-1)((2^x+1)/(1+4^x), find (dy)/(dx)

    Text Solution

    |

  18. Evaluate : int0^pi(xtan\ x)/(sec\ x+tan\ x)\ dxdot

    Text Solution

    |

  19. From the following matrix equation, find the value of x:[[x+y,4],[-5,...

    Text Solution

    |

  20. Prove the following: tan[pi/4+1/2cos^(-1)(a/b)]+tan[pi/4-1/2cos^(-1)...

    Text Solution

    |