Q. The equation of the common tangent touching the circle ${(x - 3)}^{2} + y^{2} = 9$ and parabola $y^{2} = 4x$ above the $x$-axis is
A) $\sqrt{3}y = 3x + 1$
B) $\sqrt{3}y = - (x + 3)$
C) $\sqrt{3}y = x + 3$
D) $\sqrt{3}y = - (3x + 1)$
Explanation
The correct answer is Option C: $\sqrt{3}y = x + 3$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.