question_answer 1)

Find the vector equation of the line passing through the point (1, 2, ?4) and perpendicular to the two lines              

Answer:

If is given that the required line is perpendicular to the lines             and        required line is perpendicular to vectors                required line is parallel to the vector  here       Here                   Also line passes through point (1, 2, ?4).        required equation of lien is given by             i.e.             where