Home
Class 12
MATHS
In DeltaABC if A(alpha), B (beta) "and" ...

In `DeltaABC` if A`(alpha), B (beta) "and" C (gamma)` are the position vectors of the vertices then the length of the perpendicular from A to BC is

A

`|alpha xxbeta|+|betaxx gamma|+|gammaxxalpha|`

B

`|alpha xx beta+betaxx gamma+gammaxx alpha|`

C

`(|alphaxxbeta+betaxxgamma+gammaxxalpha|)/(|alpha-beta|)`

D

`(|alphaxxbeta+betaxxgamma+gammaxxalpha|)/(|gamma-beta|)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • AP EAMCET ENGINEERING ENTRANCE EXAM

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|59 Videos

Similar Questions

Explore conceptually related problems

If bar(a), bar(b), bar(c) are the position vectors of the vertices A, B, C of the triangle ABC, then the equation of the median from A to BC is

If alpha , beta, gamma are the lengths of the tangents from the vertices of a triangle to its incircle. Then

If bar(a), bar(b), bar(c) are the position vectors of the vertices A, B, C respectively of DeltaABC then find the vector equation of the median through the vertex A.

If alpha, beta, gamma are lenghts of internal bisectors of angles A,B,C respectively of DeltaABC , then sum (1)/(alpha) "cos" (A)/(2) is

If alpha,beta, gamma are the lengths of altitudes of Delta ABC , then alpha^-2+ beta^-2+ gamma^-2 =

If alpha , beta , gamma are the roots of the equation x^3 +px^2 + qx +r=0 then the coefficient of x in cubic equation whose roots are alpha ( beta + gamma ) , beta ( gamma + alpha) and gamma ( alpha + beta) is

TS EAMCET PREVIOUS YEAR PAPERS-AP EAMCET ( ONLINE QUESTION PAPER 2018 SOLVED)-MATHEMATICS
  1. If n = 2hati-3hati+4hatk,m=hati-hatj,I=2hati-hatj+hatk, then the Carte...

    Text Solution

    |

  2. If a,b,c are vectors of equal magnitude such that (a,b)= alpha, (b,c)=...

    Text Solution

    |

  3. In DeltaABC if A(alpha), B (beta) "and" C (gamma) are the position vec...

    Text Solution

    |

  4. If a,b,c are three non-coplanar vectors then match the items of List -...

    Text Solution

    |

  5. a,b and c are three unit vectors such that no two of them are collinea...

    Text Solution

    |

  6. If the variance of 4,7,8,9,10,11 is sigma^(2) then the variance of 12 ...

    Text Solution

    |

  7. Consider the frequency distribution If the variance of this distr...

    Text Solution

    |

  8. If two numbers a and b are chosen from the set of integers 1 to 39 th...

    Text Solution

    |

  9. Two balls are drawn from an urn containing 7 white 6 red and 8 black b...

    Text Solution

    |

  10. In a manufacturing company three machines A, B and C respectively prod...

    Text Solution

    |

  11. The variance of the random variable X having the following distributio...

    Text Solution

    |

  12. Given that the probability of a man hitting a target with a gun is (1)...

    Text Solution

    |

  13. A variable line 'L' Passing through the origin cuts two parallel lines...

    Text Solution

    |

  14. When the axes are rotated through an angle 45^@, the transformed equat...

    Text Solution

    |

  15. The vertex A of a triangle lies on the lines x+y=1 and 2x+3y=6 . If th...

    Text Solution

    |

  16. The equation of the line passing through the point of intersection of ...

    Text Solution

    |

  17. If O,G , are respectively the orthocentre centroid and circumcentre of...

    Text Solution

    |

  18. IF two sides of a triangle are given by 3x^(2)-5xy+2y^(2) =0 and its o...

    Text Solution

    |

  19. The equation of the pair of lines joining the origin to the points of ...

    Text Solution

    |

  20. If circle x^(2)+y^(2)+2gx+2fy+c=0(c gt 0) touches both the coordinate ...

    Text Solution

    |