Show that line `(x-3)/2=(y+1)/-3=(z-2)/4` is perpendicular to the line `(x+2)/2=(y-4)/4=(z+5)/2`

Show that the line 4x=3y=-z is perpendicular to the line 3x=-y=-4z

Show that the lines (x-3)/(2)=(y+1)/(-3) =(z-2)/(4) " and " (x+2)/(2) =(y-2)/(4) =(z+5)/(2) are perpendicular to each other .

Show that the lines : (x-3)/2=(y+1)/-3=(z-2)/4 and (x+2)/2=(y-4)/4=(z+5)/2 are perpendicular to each other.

(i) Find the equations of the straight line passing through the point (2,3,-1) and is perpendicular to the lines : ( x-2)/(2) = (y + 1)/(1) = (z - 3)/(-3) and (x - 3)/(1) = (y + 2)/(1) = (z - 1)/(1) . (ii) Find the equation of the line which intersects the lines : (x + 2)/(1) = (y - 3)/(2) = (z + 1)/(4) and (x - 1)/(2) = (y - 2)/(3) = (z - 3)/(4) Perpendicular and passes through the point (1,1,1) .

Equation of the plane containing the straight line x/2=y/3=z/4 and perpendicular to the plane containing the straight lines x/2=y/4=z/2 and x/4=y/2=z/3 is

Equation of the plane containing the straight line x/2=y/3=z/4 and perpendicular to the plane containing the straight lines x/2=y/4=z/2 and x/4=y/2=z/3 is

Equation of the plane containing the straight line (x)/(2)=(y)/(3)=(z)/(4) and perpendicular to the plane containing the straight lines (x)/(2)=(y)/(4)=(z)/(2) and (x)/(4)=(y)/(2)=(z)/(3) is

Equation of the plane containing the straight line x/2=y/3=z/4 and perpendicular to the plane containing the straight lines x/3=y/4=z/2 and x/4=y/2=z/3 is :