Home
Class 12
MATHS
If the area of the triangle with vertice...

If the area of the triangle with vertices (2,-6),(5,4) and (K,4) is 35 sq. units, then find the values of K, using determinants.

A

12

B

`-2`

C

`-12-2`

D

`12-2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MATHEMATICAL REASONING

    HIMALAYA PUBLICATION|Exercise Question Bank|97 Videos

  • MAXIMA AND MINIMA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos

Similar Questions

Explore conceptually related problems

If the area of the triangle with vertices (2,-6), (5,4) and (k,4) is 35 square units, find values of k using determinants.

If the area of the triangle with vertices (-2, 0), (0, 4) and (0, k) is 4 square units, find the values of k u"sin"g determinants.

If area of the triangle with vertices (-2, 0), (0, 4) and (0, k) is 4 square units, find the value of 'k' using determinants.

If the area of the triangle with vertices (-2, 0) (0, 4) and (0,k) is 4 square units. Find the value of k using determinants.

If the area of the triangle with vertices (x, 0). (1.1) and (0.2) is 4 square units then a value of

The area of the triangle with vertices at (-4,1) , (1,2),(4,-3) is

The area of a triangle with vertices (-3,0),(3,0) and (0,k) is 9 sq. units . The value of k will be :

Find the area of the triangle with vertices A(1,1,2), B(2,3,5) and C(1,5,5).

The area of triangle with vertices (K, 0), (4,0), (0, 2) is 4 square units, then value of K is

HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
  1. If A is a square matrix of order 3 xx 3, then |KA| is equal to

    Text Solution

    |

  2. Which of the following is correct

    Text Solution

    |

  3. If the area of the triangle with vertices (2,-6),(5,4) and (K,4) is 35...

    Text Solution

    |

  4. If Delta= [[ a11 , a12 , a13],[a21 , a22 , a23],[a31 , a32 , a33 ]] an...

    Text Solution

    |

  5. If A is an invertible matrix of order 2 then find |A^(-1)|

    Text Solution

    |

  6. Let A=[[ 1 , sin theta , 1 ],[-sin theta , 1 , sin theta],[-1 , -sin t...

    Text Solution

    |

  7. If A+B=[[1,0],[1,1]] and A-2 B=[[-1,1],[0,1]] then A=

    Text Solution

    |

  8. If A=[[-1,2],[-2,1]], B=[[3,4],[2,-1]] and A+2 X=B, then X=

    Text Solution

    |

  9. Choose the correct answer

    Text Solution

    |

  10. For how many values of x in the closed interval [-4,-1] the matrix [[3...

    Text Solution

    |

  11. If A= [(2,3),(4,6)], " then " A^(-1) =

    Text Solution

    |

  12. If A and B are square matrices of the same order, then show that (AB)^...

    Text Solution

    |

  13. The inverse of the matrix [[1 , -2],[3 ,4 ]] is

    Text Solution

    |

  14. Inverse of the matrix [[cos 2 theta,-sin 2 theta],[sin 2 theta , cos 2...

    Text Solution

    |

  15. If A=[[1 ,-1] , [-1 , 1]], then A^(2)=

    Text Solution

    |

  16. If A=[[3 ,1] , [-1 , 2]] then A^(2)=

    Text Solution

    |

  17. If A(theta) = [(cos theta ,sin theta ),(-sin theta ,cos theta )] then...

    Text Solution

    |

  18. If A= [[1,1,1],[1,1,1],[1 ,1,1]] then A^(2)=

    Text Solution

    |

  19. If A = [[ 2 ,-1] , [ 0 , 1 ]] and B=[[-3],[4]] then A B=

    Text Solution

    |

  20. If [[x+y] , [x-y]]=[[2,1] , [4,3]] [[1],[-2]] then (x,y)

    Text Solution

    |