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

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

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 :

The 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 :

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 :

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

The equation of the plane passing through the line of intersection of the planes x+y+z=1,2x+3y+4z=7 , and perpendicular to the plane x-5y+3z=5 is given by