x - y = -5
If the lines 3 x - 4 y - 13 = 0, 8 x - 11 y - 33 = 0 and 2 x - 3 y + λ = 0 are concurrent , λ =
7
-7
5
-5
If P is the length of perpendicular from origin to the line which intersects at a and b on axes , then.
a2 + b2 = p2
a2 + b2 = 1/p2
1/a2 + 1/b2 = 2/p2
1/a2 + 1/b2 = 1/p2