Home
Class 12
MATHS
Using the property of determinants and w...

Using the property of determinants and without expanding prove the following
`|{:(1,omega^n,omega^(2n)),(omega^(2n),1,omega^n),(omega^n,omega^(2n),1):}|=0` where `omega` is a cube root of unity

Text Solution

Verified by Experts

The correct Answer is:
0
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    KUMAR PRAKASHAN|Exercise Textbook based MCQs|42 Videos
  • DETERMINANTS

    KUMAR PRAKASHAN|Exercise Textbook Illustrations for Practice work|34 Videos
  • DETERMINANTS

    KUMAR PRAKASHAN|Exercise MISCELLANEOUS EXERCISE - 4|20 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 5 (Section-D)|4 Videos
  • INTEGRALS

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER-7 (SECTION-D)|2 Videos

Similar Questions

Explore conceptually related problems

Evaluate the following determinates |{:(1,omega),(omega,-omega):}| where omega is the cube root of unity

Prove that , {[{:(1,omega,omega^(2)),(omega,omega^(2),1),(omega^(2),1,omega):}]+[{:(omega,omega^(2),1),(omega^(2),1,omega),(omega,omega^(2),1):}]}[{:(1),(omega),(omega^(2)):}]=[{:(0),(0),(0):}] where omega is the cube root of unit.

If omega(ne1) is a cube root of unity, then (1-omega+omega^(2))(1-omega^(2)+omega^(4))(1-omega^(4)+omega^(8)) …upto 2n is factors, is

Let omega be a complex number such that 2omega+1=z where z=sqrt(-3) . If |{:(1,1,1),(1,-omega^(2)-1,omega^(2)),(1,omega^(2),omega^(7))|=3k , then k is equal to

Which of the following can not be valid assignment of probabilities for outcomes of sample Space S={omega_(1),omega_(2),omega_(3),omega_(4),omega_(5),omega_(6),omega_(7)}

Let omega ne 1 be a complex cube root of unity. If (3-3omega+2omega^(2))^(4n+3) + (2+3omega-3omega^(2))^(4n+3)+(-3+2omega+3omega^(2))^(4n+3)=0 , then the set of possible value(s) of n is are

If omega is a non-real complex cube root of unity, find the values of (1+omega)(1+omega^(2) )(1+omega^(4))(1+omega^(8)) ...upto 2n factors

Let omega be the complex number cos((2pi)/3)+isin((2pi)/3) . Then the number of distinct complex numbers z satisfying Delta=|(z+1,omega,omega^2),(omega,z+omega^2,1),(omega^2,1,z+omega)|=0 is

If x, y, z are not all zero & if ax + by + cz=0, bx+ cy + az=0 & cx + ay + bz = 0 , then prove that x: y : z = 1 : 1 : 1 OR 1 :omega:omega^2 OR 1:omega^2:omega , where omega is one ofthe complex cube root of unity.

KUMAR PRAKASHAN-DETERMINANTS -Practice Work
  1. Using the property of determinants and without expanding prove the fol...

    Text Solution

    |

  2. Using the property of determinants and without expanding prove the fol...

    Text Solution

    |

  3. Using the property of determinants and without expanding prove the fol...

    Text Solution

    |

  4. Using the property of determinants and without expanding prove the fol...

    Text Solution

    |

  5. Using the property of determinants and without expanding prove the fol...

    Text Solution

    |

  6. Using the properties of determinants, solve the following for x |{:(...

    Text Solution

    |

  7. Prove that |{:(a+1,1,1),(1,b+1,1),(1,1,c+1):}|=abc(1/a+1/b+1/c+1)

    Text Solution

    |

  8. Using the properties of determinants, prove the following |{:((b+c)^...

    Text Solution

    |

  9. Using the properties of determinants, prove the following |{:((x-2)^...

    Text Solution

    |

  10. Using the properties of determinants, prove the following It 2s=a+b+...

    Text Solution

    |

  11. Using the properties of determinants, prove the following |{:(a^2,b^...

    Text Solution

    |

  12. If p^(th),q^(th)and r^(th) tern of G.P are a,b and c respectively then...

    Text Solution

    |

  13. If a,b,c are A.P then |{:(x+1,x+2,x+a),(x+2,x+3,x+b),(x+3,x+4,x+c):}...

    Text Solution

    |

  14. Using the properties of determinants, prove the following |{:(a,b-c,...

    Text Solution

    |

  15. Using the properties of determinants, prove the following |{:((a+b)^...

    Text Solution

    |

  16. Find area of the triangle withh vertices at the point given in each of...

    Text Solution

    |

  17. Find area of the triangle withh vertices at the point given in each of...

    Text Solution

    |

  18. Find area of the triangle withh vertices at the point given in each of...

    Text Solution

    |

  19. Find area of the triangle with vertices at the point given in each of ...

    Text Solution

    |

  20. Find values of k if area of triangle is 4 sq. units and vertices are (...

    Text Solution

    |