Home
Class 12
MATHS
Prove the identities: |[a, b-c,c-b],[ a...

Prove the identities: `|[a, b-c,c-b],[ a-c, b, c-a],[ a-b,b-a, c]|` `=(a+b-c)(b+c-a)(c+a-b)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DERIVATIVES AS A RATE MEASURER

    RD SHARMA ENGLISH|Exercise All Questions|168 Videos
  • DIFFERENTIABILITY

    RD SHARMA ENGLISH|Exercise All Questions|135 Videos

Similar Questions

Explore conceptually related problems

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

Prove the identities: |[a, b, c],[ a-b,b-c,c-a],[ b+c,c+a, a+b]|=a^3+b^3+c^3-3a b c

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

Show that: |[a,b-c,c+b],[a+c,b,c-a],[a-b,b+a,c]|=(a+b+c)(a^2+b^2+c^2) .

Show that: |a, b-c,c+b, a+c, b, c-a,a-b,b+a, c|=(a+b+c)(a^2+b^2+c^2)dot

Show that |[b-c,c-a, a-b],[ c-a, a-b,b-c],[ a-b,b-c,c-a]| = 0 .

Prove the identities: |[a^2,a^2-(b-c)^2,b c], [b^2,b^2-(c-a)^2,c a],[ c^2,c^2-(a-b)^2,a b]|=(a-b)(b-c)(c-a)(a+b+c)(a^2+b^2+c^2)

The product of all values of t , for which the system of equations (a-t)x+b y+c z=0,b x+(c-t)y+a z=0,c x+a y+(b-t)z=0 has non-trivial solution, is (a) |[a, -c, -b], [-c, b, -a], [-b, -a, c]| (b) |[a, b, c], [b, c, a], [c, a, b]| (c) |[a, c, b], [b, a, c], [c, b, a]| (d) |[a, a+b, b+c], [b, b+c, c+a], [c, c+a, a+b]|

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)

RD SHARMA ENGLISH-DETERMINANTS-All Questions
  1. Solve the following system of equations using Cramers rule. 5x-7y+z=1...

    Text Solution

    |

  2. Let A=|(1,sintheta,1),(-sintheta,1,sintheta),(-1,-sintheta,1)|, where ...

    Text Solution

    |

  3. Prove the identities: |[a, b-c,c-b],[ a-c, b, c-a],[ a-b,b-a, c]| =(...

    Text Solution

    |

  4. Prove the identity: |[b^2+c^2,ab, ac],[ba,c^2+a^2,bc],[ca, cb ,a^2+b^2...

    Text Solution

    |

  5. |((a^2+b^2)/c,c,c),(a,(b^2+c^2)/a,a),(b,b,(a^2+c^2)/b)| equal to : (A)...

    Text Solution

    |

  6. Prove that identities: |[-bc,b^2+bc,c^2+bc],[a^2+ac,-ac,c^2+ac],[a^2+...

    Text Solution

    |

  7. Without expanding, prove that |a b c x y z p q r|=|x y z p q r a b c|=...

    Text Solution

    |

  8. If |[p, b, c],[ a, q, c],[ a, b, r]|=0, find the value of p/(p-a)+q/(...

    Text Solution

    |

  9. Find the equation of the line joining A(1,3)a n dB(0,0) using determin...

    Text Solution

    |

  10. If A(x1, y1),B(x2, y2) and C(x3,y3) are vertices of an equilateral ...

    Text Solution

    |

  11. If f(x)=|0x-a x-b x+a0x-c x+b x+c0|,t h e n f(x)=0 (b) f(b)=0 (c) f...

    Text Solution

    |

  12. Prove the identities: |[a^2,a^2-(b-c)^2,b c], [b^2,b^2-(c-a)^2,c a],[...

    Text Solution

    |

  13. Prove the identities: |[z, x, y],[ z^2,x^2,y^2],[z^4,x^4,y^4]|=|[x,...

    Text Solution

    |

  14. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  15. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  16. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  17. Without expanding, show that the value of each of the determinants is ...

    Text Solution

    |

  18. Using the properties of determinants, prove that following |(a-b-c,2a,...

    Text Solution

    |

  19. Prove the identities: |[a, b, c],[ a-b,b-c,c-a],[ b+c,c+a, a+b]|=a^3+...

    Text Solution

    |

  20. For any triangleABC, the value of determinant |[sin^2A,cotA,1],[sin^2B...

    Text Solution

    |