jee-main 2020 Q58

jee-main · India · session1_07jan_shift2 Circles Tangent Lines and Tangent Lengths

Let the tangents drawn from the origin to the circle, $x ^ { 2 } + y ^ { 2 } - 8 x - 4 y + 16 = 0$ touch it at the points $A$ and $B$. Then $( A B ) ^ { 2 }$ is equal to
(1) $\frac { 52 } { 5 }$
(2) $\frac { 56 } { 5 }$
(3) $\frac { 64 } { 5 }$
(4) $\frac { 32 } { 5 }$

Let the tangents drawn from the origin to the circle, $x ^ { 2 } + y ^ { 2 } - 8 x - 4 y + 16 = 0$ touch it at the points $A$ and $B$. Then $( A B ) ^ { 2 }$ is equal to\\
(1) $\frac { 52 } { 5 }$\\
(2) $\frac { 56 } { 5 }$\\
(3) $\frac { 64 } { 5 }$\\
(4) $\frac { 32 } { 5 }$

Paper Questions

Q2 Q3 Q4 Q5 Q6 Q8 Q9 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q24 Q25 Q51 Q52 Q53 Q54 Q55 Q56 Q57 Q58 Q59 Q60 Q61 Q62 Q63 Q64 Q65