jee-main 2016 Q71

jee-main · India · 10apr Circles Tangent Lines and Tangent Lengths

Equation of the tangent to the circle, at the point $( 1 , - 1 )$, whose center, is the point of intersection of the straight lines $x - y = 1$ and $2 x + y = 3$ is:
(1) $x + 4 y + 3 = 0$
(2) $3 x - y - 4 = 0$
(3) $x - 3 y - 4 = 0$
(4) $4 x + y - 3 = 0$

Equation of the tangent to the circle, at the point $( 1 , - 1 )$, whose center, is the point of intersection of the straight lines $x - y = 1$ and $2 x + y = 3$ is:\\
(1) $x + 4 y + 3 = 0$\\
(2) $3 x - y - 4 = 0$\\
(3) $x - 3 y - 4 = 0$\\
(4) $4 x + y - 3 = 0$

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