Home
Class 12
MATHS
If P = (-2, 3, 6) then the d.c.'s of vec...

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

A

`(3/13, 4/13, -12/13)`

B

(6, 6, -3)

C

`(-2/7, 3/7, 6/7)`

D

`(2, 2, -1)`

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

I : If OP = 21 and d.c.'s of vec(OP) are (2/7, 6/7, -3/7) then P = (6, 18, -9). II : If P = (3, 4, -12) then d.c.'s of vec(OP) are (3/13, 4/13, -12/13)

If OP = 21 and d.c. 's of vec(OP) are (2/7, 6/7, -3/7) then P =

If P(2,3,-6) , Q (3, -4,5) are two points, find the d.c's of vec(OP), vec(QO) and vec(PQ) where O is the origin.

The projection of the line segment joining the origin and the point P (5, 2, 4) on the line whose d.c.'s are (2/7, -3/7, 6/7) is

The projection of the join of the points (3, 4, 2), (5, 1, 8) on the line whose d.c.'s are (2/7, -3/7, 6/7) is

If P be any point on the plane lx+my+nz =p and Q be a point on the line OP such that OP.OQ = p^(2) then find the locus of the point Q.

Three vectors vec(P), vec(Q), vec(R) obey vec(P) + vec(Q) = vec(R) and P^(2) + Q^(2) = R^(2) the angle between vec(P) & vec(Q) is

The resultant of the three displacement vectors vec(OP), vec(PQ) and vec(QR) is

DIPTI PUBLICATION ( AP EAMET)-DIRECTION COSINES AND DIRECTION RATIOS-EXERCISE 1
  1. If OP = 21 and d.c. 's of vec(OP) are (2/7, 6/7, -3/7) then P =

    Text Solution

    |

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

    Text Solution

    |

  3. The direction cosines of the line passing through P(2, 3, -1) and the ...

    Text Solution

    |

  4. If a line makes anles pi//3, pi//4 with the positive x-axis and y-axis...

    Text Solution

    |

  5. If a line makes angles 60^(@), 60^(@) with the positive x-axis and y-a...

    Text Solution

    |

  6. If a line makes an angle of pi//4with the positive directions of each ...

    Text Solution

    |

  7. if the angles made by a straight line with the coordinate axes are alp...

    Text Solution

    |

  8. If alpha, beta, gamma are the angles made by a line with the positive ...

    Text Solution

    |

  9. If a line in the space makes angles alpha, beta, " and " gamma with th...

    Text Solution

    |

  10. A line makes the same angle theta, with each of the x and z axis. If t...

    Text Solution

    |

  11. A line AB in three-dimensional space makes angles 45^(@) " and " 120^(...

    Text Solution

    |

  12. A straight line is equally inclined to all the three coorinate axes. T...

    Text Solution

    |

  13. The number of lines which are equally inclined to the coordinate axes ...

    Text Solution

    |

  14. The d.c.'s of a line which is equally inclined to the coordinate axes ...

    Text Solution

    |

  15. If the d.r.'s of a line are (3, -4, 12) then d.c.'s of the line are

    Text Solution

    |

  16. The d.c.'s of the line joining the points A(4, 3, 1), B(-2, 1, -2) are

    Text Solution

    |

  17. If (l(1),m(1),n(1)),(l(2),m(2),n(2)) are d.c's of two lines then find ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |