The equation of a line passing through the point on Z-axis at 2 units distance from origin having direction cosines⟨0,1,−1⟩ is

A point on Z-axis at 2 units distance from origin is 0,0,2The equation of the line passing through the point (x1,y1,z1) and having direction cosines ⟨l,m,n⟩ is x−x1l=y−y1m=z−z1nEquation of line passing through 0,0,2 and having direction cosines⟨0,1,−1⟩ isx0=y1=z−2−1