Home
Class 12
MATHS
Find the angle between the line whose ...

Find the angle between the line whose direction cosines are given by `l+m+n=0 a n d 2l^2+2m^2-n^2=0.`

A

`(pi)/(2)`

B

`(pi)/(3)`

C

`(pi)/(4)`

D

`(pi)/(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Find the angle between the lines whose direction cosines are given by the equations 3l + m + 5n = 0 and 6mn - 2nl + 5lm = 0 (a) cos^(-1)((1)/(sqrt(6))) (b) cos^(-1)((-1)/(6)) (c) cos^(-1)((2)/(sqrt(6))) (d) cos^(-1)((-2)/(sqrt(6)))

The angle between the lines whose direction cosines satisfy the equations l+m+n=""0 and l^2=m^2+n^2 is

Find the angle between the lines whose direction ratios are: 2,-3,4 and 1,2,1 . a) 0 b) pi/6 c) pi/3 d) pi/2

If the angle between the lines whose direction cosines are a,(-2)/(3),(1)/(3)and(2)/(3),(1)/(3),(-2)/(3)" is "(pi)/(2) , then the value of a is

The direction cosines of the line which is perpendicular to the lines whose direction cosines are proportional to 1,-1,2 and 2,1,-1 are

If the direction cosines of a line are k,(1)/(2),0 then k =

Find the area of triangle whose vertices are L(1,1),M(-2,2),N(5,4)