Home
Class 12
MATHS
IF the d.r.'s of oversetharr(OA),overset...

IF the d.r.'s of `oversetharr(OA),oversetharr(OB)` are (1, -2, -1), (3, -2, 3) then the d.c.'s of the normal to the plane `oversetharr(AOB)` are

A

`(4/sqrt(29), 3/sqrt(29), -2/sqrt(29))`

B

`(11/sqrt(171), 7/sqrt(171), 1/sqrt(17))`

C

`(3/29, -2/9, 4/29)`

D

`(3/sqrt(29), -2/sqrt(29), 4/sqrt(29))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DIRECTION COSINES AND DIRECTION RATIOS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET -1|4 Videos

  • DIRECTION COSINES AND DIRECTION RATIOS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET -2|3 Videos

  • DIRECTION COSINES AND DIRECTION RATIOS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET -2|3 Videos

  • DIFFERENTIATION

    DIPTI PUBLICATION ( AP EAMET)|Exercise SET-4|6 Videos

  • EAMCET - 2016 AP

    DIPTI PUBLICATION ( AP EAMET)|Exercise Questions|80 Videos

Similar Questions

Explore conceptually related problems

If the d.r's of bar(OA),bar(OB) are (1,-2,3),(-3,4,5) then the d.c's of the normal to the plane bar(OAB) are

If the d.r.s of OA, OB are (1,1,-1),(1-2,1) then the d.c.s of the normal to the plane AOB are

Find the d.c's of the normal to the plane 2x+4y+5z=1 .

Find the d.c's of the normal to the plane 2x+4y+5z=1 .

If P = (-2, 3, 6) then the d.c.'s of vec(OP) are

The d.c.'s of the normal to the plane 2x + 3y – 6z + 5 = 0 are

Find d.c's of the normal to plane 3x - 6y +2z -4 = 0

If the d.r.'s of two lines are (1, -1, 0) and (1, -2, 1) then the angle between them is

DIPTI PUBLICATION ( AP EAMET)-DIRECTION COSINES AND DIRECTION RATIOS-EXERCISE 1
  1. If (l(1),m(1),n(1)),(l(2),m(2),n(2)) are d.c's of two lines then find ...

    Text Solution

    |

  2. If (2, 1, -1) and (1, -1, -1) are direction ratios of two lines, then ...

    Text Solution

    |

  3. IF the d.r.'s of oversetharr(OA),oversetharr(OB) are (1, -2, -1), (3, ...

    Text Solution

    |

  4. The direction ratios of two lines AB, AC are 1, -1, -1 and 2, -1, 1. T...

    Text Solution

    |

  5. If (a(1), b(1), c(1)), (a(2), b(2), c(2)) are d.r.'s of two perpendicu...

    Text Solution

    |

  6. If (a(1), b(1), c(1)), (a(2), b(2), c(2)) are d.r.'s of two perpendicu...

    Text Solution

    |

  7. If the direction cosines of any two lines are (-2/3, 1/3, 2/3), (3/5, ...

    Text Solution

    |

  8. The angle between the lines whose direction cosines are (sqrt(3)//4, 1...

    Text Solution

    |

  9. If P(2, 3, -6), Q(3, -4, 5) are two points, then anglePOQ is

    Text Solution

    |

  10. If P = (0, 1, 2), Q = (4, -2, 1), O = (0, 0, 0) then anglePOQ=

    Text Solution

    |

  11. The cosine of the angle A of the triangle with vertices A(1, -1, 2), B...

    Text Solution

    |

  12. The angle between the lines passing through the points (8, 2, 0), (4, ...

    Text Solution

    |

  13. The angle between the line passing through the points (3, 1, -2) and (...

    Text Solution

    |

  14. If A(3, 4, 5), B(4, 6, 3), C(-1, 2, 4) and D(1, 0, 5) are such that th...

    Text Solution

    |

  15. If the d.r.'s of two lines are (1, -1, 0) and (1, -2, 1) then the angl...

    Text Solution

    |

  16. If the line joining the points (k, 1, 2), (3, 4, 6) is parallel to the...

    Text Solution

    |

  17. If the line joining the points A(4, 1, 2), B(5, x, 0) is parallel to t...

    Text Solution

    |

  18. If the d.r.'s of two lines are (x, 3, 5) and (2, -1, 2) and if the ang...

    Text Solution

    |

  19. If the line joining the points (2, 3, 4), (0, 1, 2) is perpendicular t...

    Text Solution

    |

  20. If O is the origin and P = (1, -2, 1) and OP bot OQ, then Q =

    Text Solution

    |