Home
Class 12
MATHS
Show that | (-a(b^2 + c^2 - a^2), 2b^...

Show that `| (-a(b^2 + c^2 - a^2), 2b^3, 2c^3), (2a^3, -b(c^2 + a^2 - b^2), 2c^3), (2a^3, 2b^3, -c(a^2 + b^2 - C^2))|` = abc`(a^2 + b^2 + c^2)^3`

Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    MODERN PUBLICATION|Exercise Check your understanding|10 Videos
  • DETERMINANTS

    MODERN PUBLICATION|Exercise Competition file|14 Videos
  • DETERMINANTS

    MODERN PUBLICATION|Exercise Exercise|4 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos
  • DIFFERENTIAL EQUATIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (9)|12 Videos

Similar Questions

Explore conceptually related problems

(b + c) ^ (2), ab, caab, (a + c) ^ (2), bcac, bc, (a + b) ^ (2)] | = 2abc (a + b + c) ^ ( 3)

Verify that (a +b + c) (a ^(2) + b ^(2) + c ^(2) - ab - bc - ca) = a ^(3) + b ^(3) + c ^(3)- 3 abc

Show that |[a,b,c],[a^2,b^2,c^2],[a^3,b^3,c^3]|=abc(a-b)(b-c)(c-a)

Prove that a(b^(2) + c^(2)) cos A + b(c^(2) + a^(2)) cos B + c(a^(2) + b^(2)) cos C = 3abc

Prove that |[a,b,c] , [a^2,b^2,c^2] , [a^3,b^3,c^3]|= abc(a-b)(b-c)(c-a)

MODERN PUBLICATION-DETERMINANTS-Revision Exercise
  1. Prove: |(a^2+b^2)/ccc a(b^2+c^2)/a a bb(c^2+a^2)/b|=4a b c

    Text Solution

    |

  2. Prove that |[a^2, a^2-(b-c)^2, bc],[b^2, b^2-(c-a)^2, ca],[c^2, c^2-(...

    Text Solution

    |

  3. Show that | (-a(b^2 + c^2 - a^2), 2b^3, 2c^3), (2a^3, -b(c^2 + a...

    Text Solution

    |

  4. Prove that Delta=|(1,bc+ad,b^(2)c^(2)+a^(2)d^(2)),(1,ca+bd,c^(2)a^(2)+...

    Text Solution

    |

  5. |[(a+1)(a+2),a+2,1],[(a+2)(a+3),a+3,1],[(a+3)(a+4),a+4,1]|=-2

    Text Solution

    |

  6. Evaluate |{:(.^(x)C(1),,.^(x)C(2),,.^(x)C(3)),(.^(y)C(1),,.^(y)C(2),,....

    Text Solution

    |

  7. Prove that Delta=[a+b x c+dx p+q x a x+b c x+d p x+q u v w]=(1-x^2)|a ...

    Text Solution

    |

  8. Ecaluate [{:(cosalphacosbeta,cosalphasinbeta,-sinalpha),(-sinbeta,co...

    Text Solution

    |

  9. If |(1,1,1),(a,b,c),(a^(3),b^(3),c^(3))|= (a -b) (b -c) (c -a) (a + b+...

    Text Solution

    |

  10. Solve for x in R : |((x+a)(x-a),(x+b)(x-b),(x+c)(x-c)),((x-a)^3,(x-b)...

    Text Solution

    |

  11. If a,b,c are in A.P. find the value of: ||2y+4, 5y+7, 8y+a],[3y+5, 6y+...

    Text Solution

    |

  12. If ax^(2)+2hxy+by^(2)+2gx+2fy+c-=(lx+my+n)(l'x+m'y+n'), then prove tha...

    Text Solution

    |

  13. If a+b+c=0 and |[a-x,c,b],[c,b-x,a],[b,a,c-x]|=0 then x=

    Text Solution

    |

  14. If A+B+C=pi, then value of |{:(sin(A+B+C),sinB,cosC),(-sinB,0,tanA),(c...

    Text Solution

    |

  15. Using properties of determinants. Prove that |xx^2 1+p x^3y y^2 1+p y^...

    Text Solution

    |

  16. If A=[[3,-3,4],[2,-3,4],[0,-1,1]] , then

    Text Solution

    |

  17. If A=[{:(3,-3,4),(2,-3,4),(0,-1,1):}], then show that A^(3)=A^(-1).

    Text Solution

    |

  18. If A=[1tanx-tanx1] , show that A^T\ A^(-1)=[cos2x-sin2xsin2xcos2x] .

    Text Solution

    |

  19. If A=[(2,-3),(4,6)] " verify that " (adj A)^(-1)=(adj A^(-1)).

    Text Solution

    |

  20. Prove that : adj. I(n)=I(n)

    Text Solution

    |