Grade 11IIT JEE Entrance Exam
If the line lx+my=4 always touches the circle x2+y2=1, then point (l,m) always lies on a circle whose area isa) pie b) 2 x pie c) 4 x pie d) 16 x pie
If the line lx+my=4 always touches the circle x2+y2=1, then point (l,m) always lies on a circle whose area is
a) pie b) 2 x pie c) 4 x pie d) 16 x pie
