Write the scalar equation of the line with normal vector # = [1, 3] and passing through the point (2, -1).\fWhich of the following is the parametric equation of the line with vector equation r = (1,2) +s(2,4), s e R? a. x = 2t, y =4, te R C. x = 4+ 2y= 2+1, te R b. x =/+1, y = 4+2, ER d. none of the aboveIf the line _, has Cartesian equation 2x - 5y+ 2 =0, and the line Z, has vector equation " = (4, 2) +5(5,2),s e R, then the lines , and L, are which of the following