The line lx+my+n=0 bisects the angle betweena pair of straight lines, of which one is px+qy+r=0.Show that eqn of other line is(px+qy+r)(l2+m2) -2 (lp+mq)(lx+my+n)=0
The line lx+my+n=0 bisects the angle between
a pair of straight lines, of which one is px+qy+r=0.
Show that eqn of other line is
(px+qy+r)(l2+m2) -2 (lp+mq)(lx+my+n)=0