The equation `px + qy + r 0 and kpx + kqy + kr = 0` are ____ (dependent/inconsistent)

Three lines px + qy+r=0, qx + ry+ p = 0 and rx + py + q = 0 are concurrent of

Find the combined equation of two lines whose equations are ax + by + c = 0 and px + qy = 0. Find the equations to two lines represented by the equation.

Find p and q, if the equation px^(2) - 6xy + y^(2) + 18x - qy + 8 = 0 represents a pair of parallel lines.

The lines px +qy+r=0, qx + ry + p =0,rx + py+q=0, are concurrant then

The lines px +qy+r=0, qx + ry + p =0,rx + py+q=0, are concurrant then

The lines px +qy+r=0, qx + ry + p =0,rx + py+q=0, are concurrant then

Let 0 lt p lt q and a ne 0 such that the equation px^(2) +4 lambda xy +qy^(2) +4a (x+y +1) = 0 represents a pair of straight lines, then a can lie in the interval

Express the equation px+qy+r=0 in the form of y=mx+c where m and c are constants.

A triangle is formed by the straight lines ax + by +c = 0, lx + my + n = 0 and px+qy + r = 0 . Show that the straight line : (px+qy+r)/(ap+bq) = (lx+my+n)/(al+mb) passes through the orthocentre of the triangle.