[" Find the reflection of the point "(1,2,-1)" in the plane "5,x" - "],[(x+1)/(2)=(y-3)/(3)=(z-1)/(-1)" .Hence or otherwise deduce the length of the perpendicular."]

Find the reflection of the point (1,\ 2,\ -1) in the plane 3x-5y+4z=5.

Find the reflection of the point (1,\ 2,\ -1) in the plane 3x-5y+4z=5.

Find the coordinates of the foot of the perpendicular drawn from the point (5,\ 4,2) to the line (x+1)/2=(y-3)/3=(z-1)/(-1) . Hence or otherwise deduce the length of the perpendicular.

Find the coordinates of the foot of the perpendicular drawn from the point (5,\ 4,2) to the line (x+1)/2=(y-3)/3=(z-1)/(-1) . Hence or otherwise deduce the length of the perpendicular.

Find the length of the perpendicular from the point (1,-2,3) to the plane x - y + z = 5.

Find the equation of the plane through the point (1,1,1) , parallel to the line (x-1)/(2)=(y-2)/(-3)=(z-3)/(3) and perpendicular to the plane x-2y+z-6=0 .

Reflection of the line (x-1)/(-1)=(y-2)/(3)=(z-3)/(1) in the plane x+y+z=7 is

Find the length of perpendicular from the point (1,1,2) to the plane 2x – 2y + 4z + 5 = 0 .

Find the equation plane passing through the point (2,3,1 )and perpendicular to the line (x-1)/1=(y-2)/-2=(z+1)/3