If l,m,n be d.cs, of a line ,then the line is perpendicular to the plane `x-3y+2z+1=0` if ______.

The line passing through (-1,0,1) and perpendicular to the plane x+2y+1=0 is _______

Find the equation of the line through (-1,0,1) and perpendicular to the plane x + 2y + 1=0.

Find the equation of the line through (-1,0,1) and perpendicular to the plane x+2y+1=0 .

Find the length of the perpendicular from (2,0,1) on the line x=y=z .

State which of the following statements are true (T) or false(F) The line (x+3)/(-1)=(y-2)/3=(z-1)/4 is perpendicular to the plane 3x-3y+3z-1=0