Home
Class 11
MATHS
If the planes2x+3y-z+5=0, x+2y-kz+7=0 ar...

If the planes`2x+3y-z+5=0, x+2y-kz+7=0` are perpendicular then k =

A

4

B

6

C

8

D

`-8`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

If 2x+3y+5=0, kx+6y+7=0 are perpendicular, then find k.

Find the equation of the plane through the line of intersection of the planes 3x-y+z-1=0, 2x+y+3z-7=0 and perpendicular to the plane x-5y+3z=2 .

I : The 2x+ky-10=0, 5x+2y-7=0 are parallel then k = 4. II : If 2x+ky-10=0, 5x+2y-7=0 are perpendicular then k = 5.

The equation of the plane through the line of intersection of the planes x+y+z-1=0, 2x+3y+4z-5=0 and perpendicular to the plane is x+y+z=0 is

The equation of the line passing through the point of intersection of the lines x-3y+2=0 and 2x+5y-7=0 and perpendicular to the line 3x+2y+5=0 is