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

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

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

17.Let A be a square matrix of order 3x3 Write the value of |2Al where A417. Let A be a square matrix of order 3x3 write the value of 12 where Al=4

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

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

If A is a square matrix of order 3 and |5A| = k|A|, then write the value of k

If A is a square martin of order 3 with |A|=4. Then write all value of |-2A|.

If A is a square matrix of order 3 with |A|=9 , then write the value of |2.adj.A| .

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

" 2.Let A be a square matrix of order "3times3" ,then "|KA|" is equal to "

If A is square matrix of order 3 , with |A|=9 , then write the value of |2adj.A|

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

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

    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 matric 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. Show that : int0^(pi/2)(sin^2x)/(sinx+cosx)dx=1/(sqrt(2))log(sqrt(2)+1...

    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: 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, another k...

    Text Solution

    |

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

    Text Solution

    |