Find the position of a point relative to a line (ax+by+c=0).

Find the equation of the straight line which passes through the origin and the point of intersection of the lines ax+by+c=0 and a'x+b'y+c'=0 .

find the equation of the straight line passing through the origin and the middle point of intercept of the line ax+by+c=0 between the axes

Find the locus of the middle points of the segment of a line passing through the point of intersection of lines ax + by + c = 0 and lx + my + n = 0 and intercepted between the axes.

Slope of the line ax+by+c=0 is

Find the foues of the middle points of the segment of a line passing through the point ofintersection of lines ax+by+c=0 and lx+my+n=0 and intercepted between the axes.

Find the locus of the circumcenter of a triangle whose two sides are along the coordinate axes and the third side passes through the point of intersection of the line ax+by+c=0 and lx+my+n=0

Find the locus of the circumcentre of a triangle whose two sides are along the co- ordinate axes and third side passes through the point of intersection of the lines ax+by+c=0 and lx+my+n=0