Class 12 Three Dimensional Geometry · Mcq Single Correct1 Marksequations_of_lines Class 12 Maths · Three Dimensional Geometry · Mcq Single Correct #10 Which parametrization is the line through (1,1,1) parallel to the z-axis? (A) r=t(1,1,1)(B) r=(1,1,1)+t(1,1,1)(C) r=(0,0,1)+t(0,0,1)(D) r=(1,1,1)+t(0,0,1)