A line passes through (2, -1, 3) and is perpendicular to the line r=(i+j−k)+λ(2i−2j+k) and r=(2i−j−3k)+μ(i+2j+2k). Then, its equation is
¯¯¯r=¯i+¯j−¯¯¯k+λ(2¯i−2¯j+2¯¯¯k) and ¯¯¯r=2¯i+¯j−3¯¯¯k+μ(¯i−2¯j+2¯¯¯k)