Home
Class 11
MATHS
The angle between the planes kx+y-z=9 an...

The angle between the planes `kx+y-z=9` and `x+2y+z=7` is `(pi)/(3)` then k =

A

5

B

3

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The angle between the lines 2x =3y =-z and -6x =y =-4z is

Find the angle between the planes 2x-y+z=6 and x+y+2z=7

If the angle between the planes 2x+y+2z+3=0,x-y+kz-2=0 is (3pi)/(4) then k =

The angle between the planes 2x +y + z = 3 , x - y + 2z = 5 is

Find the angle between the planes 3x-2y+6z=5 and 2x+y-2z=7 .

Find the angle between the planes 3x-2y+6z=5 and 2x+y-2z=7 .

The angle between the lines 2x = 3y = z and 6x =- y = - 4z is