Home
Class 12
MATHS
Prove the identities: |[z, x, y],[ z^...

Prove the identities: `|[z, x, y],[ z^2,x^2,y^2],[z^4,x^4,y^4]|=|[x, y, z],[ x^2,y^2,z^2],[x^4,y^4,z^4]|=|[x^2,y^2,z^2],[x^4,y^4,z^4],[x, y, z]|` =x y z (x-y)(y-z)(z-x)(x+y+z)

Text Solution

AI Generated Solution

To prove the identities \[ |[z, x, y],[z^2,x^2,y^2],[z^4,x^4,y^4]|=|[x, y, z],[x^2,y^2,z^2],[x^4,y^4,z^4]|=|[x^2,y^2,z^2],[x^4,y^4,z^4],[x, y, z]| = xyz (x-y)(y-z)(z-x)(x+y+z), \] we will denote the determinants as \( I_1, I_2, \) and \( I_3 \) respectively. ...
Promotional Banner

Topper's Solved these Questions

  • DERIVATIVES AS A RATE MEASURER

    RD SHARMA|Exercise Solved Examples And Exercises|149 Videos
  • DIFFERENTIABILITY

    RD SHARMA|Exercise Solved Examples And Exercises|136 Videos

Similar Questions

Explore conceptually related problems

Prove that |[x,x^(2),x^(4)],[y,y^(2),y^(4)],[z,z^(2),z^(4)]|=xyz(x-y)(y-z)(z-x)(x+y+z)

If x + y = 2z then (x)/(x-z) +(z)/(y-z) = ?

|[y+z, x, x] , [y, z+x, y] , [z, z, x+y]|= (i) x^2y^2z^2 (ii) 4x^2y^2z^2 (iii) xyz (iv) 4xyz

(4x-2y+z)(5x-5y+z)

Show that : |x y z x^2y^2z^2x^3y^3z^3|=x y z(x-y)(y-z)(z-x)dot

Show that abs([y+z ,x,x],[y,z+x,y],[z,z,x+y])=4xyz

Prove that Det [[x + y + 2z, x, y], [z, y + z + 2x, y], [z, x, z + x + 2y]] = 2 (x + y + z) ^ 3

2x = 3y = 4z, x: y: z

Prove the following : |{:(x,y,z),(x^(2),y^(2),z^(2)),(x^(3),y^(3),z^(3)):}|=|{:(x,x^(2),x^(3)),(y,y^(2),y^(3)),(z,z^(2),z^(3)):}|=xyz(x-y)(y-z)(z-x)

8x + y + 2z = 4x + 2y + z = 1x + y + z = 2

RD SHARMA-DETERMINANTS-Solved Examples And Exercises
  1. If f(x)=|0x-a x-b x+a0x-c x+b x+c0|,t h e n f(x)=0 (b) f(b)=0 (c) f...

    Text Solution

    |

  2. Prove the identities: |[a^2,a^2-(b-c)^2,b c], [b^2,b^2-(c-a)^2,c a],[...

    Text Solution

    |

  3. Prove the identities: |[z, x, y],[ z^2,x^2,y^2],[z^4,x^4,y^4]|=|[x,...

    Text Solution

    |

  4. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  5. Without expanding, show that the value of the determinant is zero: ...

    Text Solution

    |

  6. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  7. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  8. Using the properties of determinants, prove that following |(a-b,-c^2,...

    Text Solution

    |

  9. Prove the identities: |[a, b, c],[ a-b,b-c,c-a],[ b+c,c+a, a+b]|=a^3+...

    Text Solution

    |

  10. For any triangleABC, the value of determinant |[sin^2A,cotA,1],[sin^2B...

    Text Solution

    |

  11. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  12. If x , y in R , then the determinant =|(cosx,-sinx,1),(sinx,cosx,1),(...

    Text Solution

    |

  13. The maximum value of Delta=|(1,1,1),(1,1+sintheta,1),(1+costheta,1,1)...

    Text Solution

    |

  14. Prove that: |[-2a, a+b,a+c],[ b+a,-2b,b+c],[c+a, c+b,-2c]|=4(a+b)(b+c...

    Text Solution

    |

  15. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  16. If m is a positive integer and Dr=|2r-1\ ^m Cr1m^2-1 2^m m+1s in^2(...

    Text Solution

    |

  17. Without expanding, show that "Delta"=|(a-x)^2(a-y)^2(a-z)^2(b-x)^2(b-y...

    Text Solution

    |

  18. Let Deltar=|[r , x , (n(n+1))/2] , [2r-1 , y , n^2] , [3r-2 , z , (n(3...

    Text Solution

    |

  19. If Deltar=|[2^(r-1)2 , 3^(r-1) , 4. 5^(r-1)] , [x , y , z] , [2^n-1 , ...

    Text Solution

    |

  20. Find a quadratic polynomial phi(x) whose zeros are the maximum and mi...

    Text Solution

    |