Course

ConceptDirection Cosines and Direction Ratios of a Line

#### My Profile

My Profile [view full profile]

why create a profile on shaalaa.com?

1. Inform you about time table of exam.

2. Inform you about new question papers.

3. New video tutorials information.

1. Inform you about time table of exam.

2. Inform you about new question papers.

3. New video tutorials information.

clickto share

#### Question

Direction cosines of the line passing through the points A (- 4, 2, 3) and B (1, 3, -2) are.........

(a) `+-1/sqrt51,+-5/sqrt51,+-1/sqrt51`

(b) `+-5/sqrt51,+-5/sqrt51,+-5/sqrt51`

(c) `+-sqrt5,+-1,+-5`

(d) `+-sqrt51,+-sqrt51+-sqrt51`

#### Solution

This question doesn't have a solution currently. Please check again in a few days.

Is there an error in this question or solution?

#### Question appears in these question papers

#### Similar questions

Write the direction ratios of the following line :

`x = −3, (y−4)/3 =( 2 −z)/1`

Which of the following represents direction cosines of the line :

(a)`0,1/sqrt2,1/2`

(b)`0,-sqrt3/2,1/sqrt2`

(c)`0,sqrt3/2,1/2`

(d)`1/2,1/2,1/2`

Find the direction cosines of the line perpendicular to the lines whose direction ratios are -2, 1,-1 and -3, - 4, 1

Find the direction cosines of the line

`(x=2)/2=(2y-5)/3; z=-1`