Find the direction in which a straight line must be drawn through the point so that…

MATHEMATICS · Subjective · A Level · Mathematics · Coordinate geometry in the (x y) plane · Coordinate geometry in the (x y) plane

Problem

15. Find the direction in which a straight line must be drawn through the point

(-1,2)

so that its point of intersection with the line

x+y=4

may be at a distance of 3 units from this point.