Home
Class 12
MATHS
Let A be a square matrix of order 3\ x...

Let A be a square matrix of order `3\ xx\ 3` . Write the value of `|2A|` , where `|A|=4` .

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • EXAM REVISION SERIES

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

Similar Questions

Explore conceptually related problems

A is a square matrix of order 3\ and |A|=7. Write the value of |a d jdotA|

If A is a square matrix of order 3 and |A|=5 , then value of |2A'| is

If A is a square matrix of order 3 and |A|=2 , then the value of |-A A'| is

Let A be a square matrix of order 3 times 3 , then abs(kA) is equal to

A is a square matrix of order 3 and | A | = 7, write the value of |Adj A| is :

Let A be a 3xx3 square matrix such that |A| = 3 Write the value of | a d j A| .

If A is square matrix of order, 3, with |A| = 4, then write the value of |-2A|.

If A is a square matrix of order 3 such that |A|=3 , then write the value of | adj A|

If A is a square matrix of order 3 such that |A|=5 , write the value of |a d j\ A| .

If A is a square matrix of order 2 and |A|=4 , then find the value of |2A A'| , where A' is the transpose of matrix A.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Given inte^x\ (tanx+1)secx\ dx=e^xf(x)+c, write f(x) satisfying the a...

    Text Solution

    |

  2. If A^T=[3 4-1 2 0 1]\ and B=[-1 2 1 1 2 3], then find A^T-\ B^T

    Text Solution

    |

  3. Let A be a square matrix of order 3\ xx\ 3 . Write the value of |2A|...

    Text Solution

    |

  4. Find the principal value of tan^(-1)sqrt(3)-sec^(-1)(-2)

    Text Solution

    |

  5. Find the value of x+y from the following equation: 2[(x,5),(7y,-3)]+[(...

    Text Solution

    |

  6. Prove The following: "cos"(sin^(-1)\ 3/5+cot^(-1)\ 3/2)=6/(5\ sqrt(13)...

    Text Solution

    |

  7. The magnitude of the vector product of the vector hat i+ hat j+ hat k...

    Text Solution

    |

  8. Evaluate: int0^pi(xtanx)/(secx+tanx)\ dx

    Text Solution

    |

  9. Write the value ( hat ixx hat j)dot hat k+ hat idot hat jdot

    Text Solution

    |

  10. Find the scalar components of the vector vec A B with initial point A...

    Text Solution

    |

  11. सिद्ध कीजिए कि - int(0)^(pi//2)(sin^(2)x)/(sinx+cosx)dx=(1)/(sqrt2)l...

    Text Solution

    |

  12. Evaluate: int(x^3)/(x^4+3x^2+2)dx

    Text Solution

    |

  13. Find : int(sqrt(x^2+1)(log(x^2+1)-2logx)/(x^4)dx

    Text Solution

    |

  14. Find : int(sin^(-1)sqrt(x)-cos^(-1)sqrt(x))/(sin^(-1)sqrt(x)+cos^(-1)s...

    Text Solution

    |

  15. In a game, a man wins rupees five for a six and loses rupee one for...

    Text Solution

    |

  16. An urn contains 4 balls. Two balls are drawn at random from the urn...

    Text Solution

    |

  17. Solve for x : tan^(-1)x+2cot^(-1)x=(2pi)/3

    Text Solution

    |

  18. Find the value of cos^(-1)((x)/(2)+(sqrt(3-3x^(2)))/(2))

    Text Solution

    |

  19. One kind of cake requires 200 g of flour and 25 g of fat, and anoth...

    Text Solution

    |

  20. Using integration, find the area of the triangle PQR, coordinates o...

    Text Solution

    |