Home
Class 12
MATHS
Using the properties of determinant, sho...

Using the properties of determinant, show that :`|[a^2+1,ab,ac],[ab,b^2+1,bc],[ac,bc,c^2+1]| = 1+a^2+b^2+c^2`

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MODERN PUBLICATION|Exercise EXERCISE|232 Videos
  • MOCK TEST-2

    MODERN PUBLICATION|Exercise EXERCISE|36 Videos

Similar Questions

Explore conceptually related problems

By using properties of determinants, show that : |[1,a,a^2],[1,b,b^2],[1,c,c^2]| = (a-b)(b-c)(c-a)

Using the properties of determinant, show that : |[1,a+b,a^2+b^2],[1,b+c,b^2+c^2],[1,c+a,c^2+a^2]| = (a-b)(b-c)(c-a)

Prove that: |[-a^2, ab,ac],[ba,-b^2,bc],[ca,cb,-c^2]|=4a^2b^2c^2

Using the properties of determinants show that : |[[1, a^2+bc, a^3],[1,b^2+ac,b^3],[1,c^2+ab,c^3]]|=(a-b)(b-c)(c-a)(a^2+b^2+c^2)

Using the properties of determinants show that : |[[1,1,1],[a^2,b^2,c^2],[a^3,b^3,c^3]]|=(a-b)(b-c)(c-a)(ab+bc+ca) .

Prove that: |[a^2,bc,ac+c^2],[a^2+ab,b^2,ac],[ab,b^2+bc,c^2]|=4a^2b^2c^2

Using the properties of determinants show that : |[[a^2, b^2, c^2],[bc,ca,ab],[a,b,c]]|=(a-b)(b-c)(c-a)(ab+bc+ca)

Using the properties of determinants show that : |[[-bc,b^2+bc,c^2+bc],[a^2+ac,-ac,c^2+ac],[a^2+ab,b^2+ab,-ab]]|=(ab+bc+ca)^3

|[x^2+a^2,ab,ac] , [ab,x^2+b^2,bc] , [ac,bc,x^2+c^2]|=

Using the properties of determinants, show that |(1+a,1,1),(1,1+b,1),(1,1,1+c)|=abc+bc+ca+ab

MODERN PUBLICATION-MOCK TEST-1-EXERCISE
  1. Prove that : tan^-1((cosx)/(1+sinx)) = pi/4 - x/2, x in (-pi/2,pi/2)

    Text Solution

    |

  2. Show that if A = [[cos theta, sin theta],[-sin theta, cos theta]], th...

    Text Solution

    |

  3. Using the properties of determinant, show that :|[a^2+1,ab,ac],[ab,b^2...

    Text Solution

    |

  4. The funtion f(x) is defined as follows: f(x) = {:{(x^2+ax+b,0lex<2),...

    Text Solution

    |

  5. Evalute : int(5x+3)/sqrt(x^2+4x+10)dx

    Text Solution

    |

  6. By using the properties of definite integrals, evaluate the integral: ...

    Text Solution

    |

  7. Solve: dy/dx+(2x)/(x^2+1)y=1/(x^2+1)^2, y(0)=0.

    Text Solution

    |

  8. Find the shortest distance between the lines: vecr=6hati+2hatj+2hatk+l...

    Text Solution

    |

  9. Find the equation of the plane passing through the intersection of the...

    Text Solution

    |

  10. A problem in Mathematics is given the three students whose chances of ...

    Text Solution

    |

  11. A problem in Mathematics is given the three students whose chances of ...

    Text Solution

    |

  12. If A and B are subsets of the universal set U, then show that A⊂ A∪ B...

    Text Solution

    |

  13. Is ∗ defined on the set {1, 2, 3, 4, 5} by a * b = L.C.M. of a and b ...

    Text Solution

    |

  14. If X= {1, 2, 3}, if n represents any member of X, write the following ...

    Text Solution

    |

  15. Find the area of the smaller region bounded by the ellipse x^2/a^2 + y...

    Text Solution

    |

  16. Simplify : [veca-vecb,vecb-vecc,vecc-veca].

    Text Solution

    |

  17. If veca,vecb,vecc are three vectors such that vecaxxvecb=vecc,vecbxxve...

    Text Solution

    |

  18. Convert the following measurements into mL. 0.75 liters

    Text Solution

    |

  19. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

    Text Solution

    |

  20. Find the variance of the number obtained on a throw of an unbiased die...

    Text Solution

    |