If the equations px+4y+5z=7 and 4x+qy+rz...

If the equations `px+4y+5z=7` and `4x+qy+rz=14` represent the same plane then `p+q+r` =

A

10

B

20

C

15

D

30

Verified by Experts

The correct Answer is:

B

Similar Questions

Explore conceptually related problems

If lamdax + 4y + 5z = 7, 4x + 4lamda y +10z - 14 = 0 represent the same plane the value of lamda =

Write the equations of the plane 4x-4y+2z+5=0 in the intercept form.

Write the equation of the plane 4x-4y+2z+5=0 in the intercept form.

If z = x +iy and P represents z in the Argand plane and mod (2z-3) = 4 , then the locus of P is

State the conditions under which the equation lx^(2)+2mxy+2px+2qy+r=0 represents a pair of lines

If the lines 2x-py+1=0, 3x-qy+1=0 and 4x-ry+1=0 are concurrent show that p,q,r are in A.P.