Home
Class 12
MATHS
Prove that: |-2a a+b a+c b+a-2bb+cc+a c+...

Prove that: `|-2a a+b a+c b+a-2bb+cc+a c+b-2c|=4(a+b)(b+c)(c+a)`

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

Using the property of determinants and without expanding, prove that: |-a^2a b a c b a b^2b cc a c b-c^2|=4a^2b^2c^2

Prove that =|1 1 1a b c b c+a^2a c+b^2a b+c^2|=2(a-b)(b-c)(c-a)

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

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

Using the property of determinants and without expanding, prove that: |[-a^2,a b, a c],[ b a, -b^2,b c],[c a, c b,-c^2]|=4a^2b^2c^2

Prove that: |(-2a , a+b, a+c),( b+a,-2b, b+c),( c+a , c+b,-2c)|=4(a+b)(b+c)(c+a)

Prove that: |1a a^2-b c1bb^2-c a1cc^2-a b|=0

Show that: |b^2+c^2a b a c b a c^2+a^2b cc a c b a^2+b^2|=4a^2\ b^2\ c^2 .

Prove that: 2a^2+2b^2+2c^2-2a b-2b c-2c a=[(a-b)^2+(b-c)^2+(c-a)^2]

Prove that: 2a^2+2b^2+2c^2-2a b-2b c-2c a=[(a-b)^2+(b-c)^2+(c-a)^2]

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. If a,b,c are distinct odd integers and omega is non real cube real of ...

    Text Solution

    |

  2. If A is square matrix such that A^2=A , then (I+A)^3-7A is equal to...

    Text Solution

    |

  3. Prove that: |-2a a+b a+c b+a-2bb+cc+a c+b-2c|=4(a+b)(b+c)(c+a)

    Text Solution

    |

  4. The number of ways of seven digit number with distinct digits of the f...

    Text Solution

    |

  5. If a, b, c ∈ R, a ≠ 0 and the quadratic equation ax^2 + bx + c = 0 ha...

    Text Solution

    |

  6. If the vectors vec (a) = 2 hat (i) - hat (j) + hat (k) , vec ( b) = h...

    Text Solution

    |

  7. The projection of point P( vec p) on the plane vec rdot vec n=qi s( v...

    Text Solution

    |

  8. In a bag there are 4 Red, 3 Black, 2 Green Balls are drawn one by o...

    Text Solution

    |

  9. If u and v are the roots of the equation x^2+2x-2=0 , then the value o...

    Text Solution

    |

  10. If A^3 =O, then I+ A +A^2= (where I is the unit matrix of order same a...

    Text Solution

    |

  11. If f:R rarr [pi/6,pi/2], f(x)=sin^(-1)((x^(2)-a)/(x^(2)+1)) is an onto...

    Text Solution

    |

  12. Evaluate: inte^x((1-sinx)/(1-cosx))dx

    Text Solution

    |

  13. Prove that (C0+C1)(C1+C2)(C2+C3)(C3+C4)...........(C(n-1)+Cn) = (C0...

    Text Solution

    |

  14. It is given that the Rolles' theorem holds for the function f(x)=x^3...

    Text Solution

    |

  15. If f^(prime)(1)=-2sqrt(2) and g^(prime)(sqrt(2))=4 , then the derivati...

    Text Solution

    |

  16. The number of solution of the equation (x+2)^(log(x+2)(6+x-x^(2)))=(x-...

    Text Solution

    |

  17. The mean and variance of a binomial distribution (p+q)^n are 20 and 16...

    Text Solution

    |

  18. If N=(1-cos4beta)/(sec^2 2beta-1)+(1+cos4beta)/(cosec^2 2beta-1) then ...

    Text Solution

    |

  19. The radius of the circle touching the line x+y=4" at "(1, 3) and inter...

    Text Solution

    |

  20. Bag I contains 3 red and 4 black balls while another Bag II contain...

    Text Solution

    |