Home
Class 12
MATHS
By using properties of determinants, pro...

By using properties of determinants, prove that
`|[x+y+2z,x,y],[z,y+z+2x,y],[z,x,z+x+2y]|=2(x+y+z)^3`

Promotional Banner

Topper's Solved these Questions

  • CONTINUITY AND DIFFERENTIABILITY

    V PUBLICATION|Exercise QUESTION BANK|168 Videos
  • DIFFERENTIAL EQUATIONS

    V PUBLICATION|Exercise QUESTION BANK|149 Videos

Similar Questions

Explore conceptually related problems

By using properties of determinants, prove that |[x,x^2,yz],[y,y^2,zx],[z,z^2,xy]|=(x-y)(y-z)(z-x)(xy+yz+zx)

Prove that abs[[1,x,x^2],[1,y,y^2],[1,z,z^2]]=(x-y)(y-z)(z-x)

Without expanding prove that abs[[x+y,y+z,z+x],[z,x,y],[1,1,1]]=0

Without expanding the determinant prove the following. |[x,a,x+a],[y,b,y+b],[z,c,z+c]|=0

prove that abs[[a,b,c],[a+2x,b+2y,c+2z],[x,y,z]]=0

Show that Delta=|[(y+z)^2, x y , z x],[ x y, (x+z)^2, y z],[ x z, y z, (x+y)^2]|=2 x y z(x+y+z)^3

Consider the determinant Delta=abs[[x,x^2,1+x^3],[y,y^2,1+y^3],[z,z^2,1+z^3]] , Where x,y,z are different. Express the above determinant as sum of two determinants.

Consider the determinant Delta=abs[[x,x^2,1+x^3],[y,y^2,1+y^3],[z,z^2,1+z^3]] , Where x,y,z are different. Show that if Delta=0 ,then 1+xyz=0

Prove that |(1,x,x^3),(1,y,y^3),(1,z,z^3)|=(x+y+z)(x-y)(y-z)(z-y) .

Using matrix method,solve the system of linear equations x+y+2z=4 , 2x-y+3z=9 , 3x-y-z=2

V PUBLICATION-DETERMINANT-QUESTION BANK
  1. By using properties of determinants, prove that |[x,x^2,yz],[y,y^2,zx...

    Text Solution

    |

  2. Prove that abs[[y+k,y,y],[y,y+k,y],[y,y,y+k]]=k^2(3y+k)

    Text Solution

    |

  3. By using properties of determinants, prove that |[x+y+2z,x,y],[z,y+z+...

    Text Solution

    |

  4. Using properties of determinants prove the following. abs[[1,x,x^2...

    Text Solution

    |

  5. Prove |[1+a^2-b^2, 2 a b, -2 b],[ 2 a b, 1-a^2+b^2, 2 a],[ 2 b,...

    Text Solution

    |

  6. By using the properties of determinants,prove that |[a^2+1,ab ,ac],[a...

    Text Solution

    |

  7. Let A be a square matrix of order 2x2 thenabs[KA] is equal to

    Text Solution

    |

  8. Which of the following is correct? a)Determinant is a square matrix ...

    Text Solution

    |

  9. Find the area of the triangle whose vertices are (3,8),(-4,2)and (5,1)

    Text Solution

    |

  10. Find the equation of the line joining A(1,3) and B(0,0) using determin...

    Text Solution

    |

  11. Find the area of the triangle with vertices at (1,0),(6,0),(4,3) using...

    Text Solution

    |

  12. Using the property of determinants,show that the points A(a,b+c),B(b...

    Text Solution

    |

  13. Find the values of k if area of triangle is 4 sq. units and vertices a...

    Text Solution

    |

  14. Find the equation of line joining (1,2) and (3,6) using determinants.

    Text Solution

    |

  15. If area of triangle is 35 sq. units with vertices (2,-6), (5,4) and (k...

    Text Solution

    |

  16. Find the minor of 1 in the determinant Delta=|[3, 4, 5 ],[2, 7, 1]...

    Text Solution

    |

  17. Find minors of element 6 in the determinant Delta=|[ 1, 2, 3],[ 4, ...

    Text Solution

    |

  18. Find minors and cofactors of the elements of the determinant |[1 , -2]...

    Text Solution

    |

  19. Find minors and cofactors of the elements a(11), a(21) in the determin...

    Text Solution

    |

  20. Find minors and cofactors of the elements of the determinant |[2, -3,...

    Text Solution

    |