Home
Class 12
MATHS
Using properties of determinants prove t...

Using properties of determinants prove the
following.
`abs[[1,x,x^2],[x^2,1,x],[x,x^2,1]]=(1-x^3)^2`

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|128 Videos
  • RELATIONS AND FUNCTIONS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|86 Videos

Similar Questions

Explore conceptually related problems

Using properties of determinants prove abs[[x,y,x+y],[y,x+y,x],[x+y,x,y]]=-2(x^3+y^3)

By using properties of determinants, prove that |[x+4,2x,2x],[2x,x+4,2x],[2x,2x,x+4]|=(5x+4)(4-x)^2

solve using properties of determinants. abs[[2x-1,x+7,x+4],[x,6,2],[x-1,x+1,3]]=0

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

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

Find the values of x in which abs[[3,x],[x,1]]=abs[[3,2],[4,1]]

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 the following: int_1^3 dx/(x^2(x+1) = 2/3 +log(2/3)

Prove the following : tan^(-1)sqrtx=1/2 cos^(-1)((1-x)/(1+x)),x in[0,1]

A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. Find the inverse of A=[[2,-6],[1,-2]]

    Text Solution

    |

  2. The value of abs((x,x-1) , (x+1,x):} is a)1 b)x c)x^2d)0

    Text Solution

    |

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

    Text Solution

    |

  4. Find all points of discontinuity of f where f is defined by f(x)={(2x+...

    Text Solution

    |

  5. If e^(x-y)=x^y then prove that dy/dx=logx/[logex]^2

    Text Solution

    |

  6. The slope of the tangent to the curve given x=1-costheta,y=theta-sin...

    Text Solution

    |

  7. Find the intervals in which the function f(x)=x^2-4x+6 is strictly dec...

    Text Solution

    |

  8. Find the minimum and maximum value, if any, of the function f(x)=(2x-1...

    Text Solution

    |

  9. Which of the following function has neither local maxima nor local min...

    Text Solution

    |

  10. Find the equation of the tangent to the curve y=3x^2 at (1,1)

    Text Solution

    |

  11. Use differentiation to approximate sqrt36.6.

    Text Solution

    |

  12. The angle between the vectors veca and vecb such that absveca=absvecb=...

    Text Solution

    |

  13. Find the unit vector along veca-vecb where veca=i+3j-k and vecb=3i+2j+...

    Text Solution

    |

  14. If the points A and B are (1,2,-1) and (2,1,-1) respectively, then vec...

    Text Solution

    |

  15. Find the value of lambda for which the vectors 2i-4j+5k, i-lambdaj+k ...

    Text Solution

    |

  16. Find the angle between the vectors veca=hati+hatj-hatk and vecb=hati-h...

    Text Solution

    |

  17. Prove that int cos^2xdx=x/2+(sin2x)/4+c

    Text Solution

    |

  18. Find int 1/sqrt(2x-x^2)dx

    Text Solution

    |

  19. Find int xcosxdx

    Text Solution

    |

  20. Evaluateint0^pilog(1+cosx)dx

    Text Solution

    |