Home
Class 12
MATHS
D. cosine of a line are lt3/7,(-2)/(7),(...

D. cosine of a line are `lt3/7,(-2)/(7),(-6)/(7)gt` then D. ratios of line are

A

`lt3,2,6gt`

B

`lt-3,2,6gt`

C

`lt7,7,7gt`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION II) Short Answer Type Questions |12 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION III) Short Answer Type Questions |11 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise SOLVED EXAMPLES (SECTION VIII) Long Answer Type Questions |11 Videos

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE |43 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MCQ)|46 Videos

Similar Questions

Explore conceptually related problems

If a line has direction ratios lt-2,-1,2gt then its direction - cosines are

If the cartesian equations of a line are : (3-x)/5=(y+4)/7=(2z-6)/4 , write the vector equation for the line.

The cartesian equation of a line is (x-5)/3 = (y+4)/7 = (z-6)/2 . Write its vector form.

If ltl,m,n,gt are D. cosines of a line then l^(2)+m^(2)+n^(2)=

Find the direction cosines of a line parallel to the line : (x-5)/6=(y+4)/2=(7-z)/6

If a line has direction ratios lt2,-1,2gt then what are its direction cosines ?

Write the direction cosine of a line parallel to the line : (3-x)/3=(y+2)/-2=(z+2)/6