If a line, y = mx + c is a tangent to the circle, (x-3)^2+y^2=1 and it is perpendicular to a line L_1, where...

Question

If a line, y = mx + c is a tangent to the circle, (x-3)^2+y^2=1 and it is perpendicular to a line L_1, where L_1 is the tangent to the circle, x^2+y^2=1 at the point ( 1 2 , 1 2 ); then :

Accepted Answer

(B)

JEE Main 2020 Mathematics question

Solution