If the planes `ax+by+cz+d=0anda_(1)x+b_(1)y+c_(1)z+d_(1)=0` be mutually perpendicular , then

If the equation of the plane passing through the line of intersection of the panes ax + by + cz +d=0, a _(1) x + b _(1) y + c _(1) z + d _(1) =0 and perpendicular to the XY-plane is px + py + rz + s =0 then S =

Assertion (A) : The normals to the planes x-lambday+z=1, 3x+2y-lambdaz+1=0 are perpendicular to each other if lambda+1=0 . Reason (R ) : If the planes a_(1)x+b_(1)y+c_(1)z+d_(1)=0,a_(2)x+b_(2)y+c_(2)z+d_(2)=0 are perpendicular to each other then a_(1)a_(2)+b_(1)b_(2)+c_(1)c_(2)=0

Find the equation of the plane Passing through the intersection of ax+by+cz+d=0 and a_1x+b_1y+c_1z+d_1=0 perpendicular to xy-plane.

The condition for lhe lines x=az+b, y=cz+d and x=a_(1) z+b_(1), y=c_(1)z+d_(1) to be parallel is

The condition of the lines x=az+b,y=cz+d and x=a_1z+b_1,y=c_1z+d_1 to be perpendicular is (A) ac_1+a_1c+1=0 (B) aa_1+c c_1+1=0 (C) ac_1+b b\'+c c\'=0 (D) aa_1+c c_1-1=0

Prove that the lines x=az+b,y=cz+d and x=a_1z + b_1,y=c_1z+d_1 are perpendicular if aa_1+"cc"_1+1=0.

The condition of rthe ines x=az+b,y=cz+d and x=a_1z+b_1,y=c_1z+d_1 to be perpendicular is (A) ac_1+a_1c+1=0 (B) aa_1+cc_1+1=0 (C) ac_1+bb\'+cc\'=0 (D) (aa_1+cc_1-1=0

If the lines x = ay + b ,z = cy + d and x= a'z + b',y = c'z + d'' are perpendicular then ..........

The two planes ax+by+cz+d=0 and ax+by+cz+d_1=0 where dned_1 have