The straight line x+2y=1 meets the coordinate axes at A and B, A circle is drawn through A, B and the origin. Then the sum of perpendicular distances from A and B on the tangent to the circle at the origin is |
|||
(a) |
|
(b) |
|
(c) |
2 |
(d) |
4 |
The straight line x+2y=1 meets the coordinate axes at A and B, A circle is drawn through A, B and the origin. Then the sum of perpendicular distances from A and B on the tangent to the circle at the origin is |
|||
(a) |
|
(b) |
|
(c) |
2 |
(d) |
4 |
Equation of circle
(x−1)(x−0)+(y−0)=0
⇒
Equation of tangent of origin is 2x+y = 0
=
==