Home
Class 12
MATHS
If a plane has intercepts a,b,c on axes ...

If a plane has intercepts a,b,c on axes and is at a distance of p units from the origin then prove that `1/a^2+1/b^2+1/c^2=1/p^2`

Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise EXERCISE 11 (F) (LONG ANSWER TYPE QUESTIONS (I) )|21 Videos
  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise EXERCISE 11 (F) (LONG ANSWER TYPE QUESTIONS (II) )|13 Videos
  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise EXERCISE 11 (E) (LONG ANSWER TYPE QUESTIONS (I) )|20 Videos
  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (1)|12 Videos
  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise CHAPTER TEST 10|12 Videos

Similar Questions

Explore conceptually related problems

Prove that if a plane has the intercepts a,b,c and is at a distance of p units from the origin, then (1)/(a^(2))+(1)/(b^(2))+(1)/(c^(2))=(1)/(p^(2))

A plane makes intercepts 1,2, 3 on the coordinate axes. If the distance from the origin is p, then the value of p is

Two system of rectangular axes have the same origin. IF a plane cuts them at distances a,b,c and a\',b\',c\' from the origin then (A) 1/a^2+1/b^2-1/c^2+1/a^(\'2)+1/b\^(\'2)-1/c^(\'2)=0 (B) 1/a^2-1/b^2-1/c^2+1/a^(\'2)-1/b\^(\'2)-1/c^(\'2)=0 (C) 1/a^2+1/b^2+1/c^2-1/a^(\'2)-1/b\^(\'2)-1/c^(\'2)=0 (D) 1/a^2+1/b^2\+1/c^2+1/a^(\'2)+1/b\^(\'2)+1/c^(\'2)=0

Two systems of rectangular axes have the same origin. If a plane cuts them at distance a ,b ,cand a^prime ,b^(prime),c ' from the origin, then a. 1/(a^2)+1/(b^2)+1/(c^2)+1/(a^('2))+1/(b^('2))+1/(c^('2))=0 b. 1/(a^2)-1/(b^2)-1/(c^2)+1/(a^('2))-1/(b^('2))-1/(c^('2))=0 c. 1/(a^2)+1/(b^2)+1/(c^2)-1/(a^('2))-1/(b^('2))-1/(c^('2))=0 d. 1/(a^2)+1/(b^2)+1/(c^2)+1/(a^('2))+1/(b^('2))+1/(c^('2))=0

Find the vector equation of the plane passing through the points A(a,0,0),B(0,b,0) and C(0,0,c) . Reduce it to normal form.If plane ABC is at a distance p from the origin,prove that (1)/(p^(2))=(1)/(a^(2))+(1)/(b^(2))+(1)/(c^(2))

If a,b, and c are in G.P.then prove that (1)/(a^(2)-b^(2))+(1)/(b^(2))=(1)/(b^(2)-c^(2))

If a plane makes intercepts 2,2,1 on X-,Y- and Z- axes respectively, then its perpendicular distance from the origin is

Two systems of rectangular axes have the same origin. If a plane cuts them at distances a ,b ,ca n da^(prime),b^(prime),c^(prime) respectively, prove that 1/(a^2)+1/(b^2)+1/(c^2)=1/(a^('2))+1/(b^('2))+1/(c^('2))

MODERN PUBLICATION-THREE DIMENSIONAL GEOMETRY -EXERCISE 11 (E) (LONG ANSWER TYPE QUESTIONS (II) )
  1. (i) Find the distance of the point (-2,3,-4) from the line : (x + 2)...

    Text Solution

    |

  2. Find the ratio in which the line-segment joining the points : (i) (2...

    Text Solution

    |

  3. Find the equation of the plane passing through the point (1,2,1) and p...

    Text Solution

    |

  4. Find the image of the point : (i) (2,-3,2) in the plane 2x + y - 3z ...

    Text Solution

    |

  5. (i) Find the co-ordinates of foot of perpendicular drawn from the poin...

    Text Solution

    |

  6. The foot of the perpendicular drawn from origin to a plane is (4,-2,5)...

    Text Solution

    |

  7. Find the co-ordinates of the foot of the perpendicular Q drawn from P ...

    Text Solution

    |

  8. Find the length and the foot of the perpendicular from the point P(7,1...

    Text Solution

    |

  9. Find the distance of the point P (1,2,3) from its image in the plane x...

    Text Solution

    |

  10. Find the coordinates of the point where the line through (3,-4,-5) and...

    Text Solution

    |

  11. (i) A variable plane, which remains at a constant distance '3p' from t...

    Text Solution

    |

  12. If a plane has intercepts a,b,c on axes and is at a distance of p unit...

    Text Solution

    |

  13. A variable plane passes through a fixed point (a,b,c) and meets the co...

    Text Solution

    |

  14. A variable plane moves in such a way that the sum of the reciprocals o...

    Text Solution

    |

  15. Differentiate e^tanx cosx

    Text Solution

    |

  16. Find the equations of the bisectors of the angles between the plane...

    Text Solution

    |

  17. In the following determine whether the given planes are parallel or pe...

    Text Solution

    |