Equation of a common tangent to the circle, x2 + y2 – 6x = 0 and the parabola y2 = 4x, is:

\(2\sqrt 3 {\rm{y}} = - {\rm{x}} - 12\)

\(2\sqrt 3 {\rm{y}} = 12{\rm{x}} + 1\)

\(\sqrt 3 {\rm{y}} = {\rm{x}} + 3\)

\(\sqrt 3 {\rm{y}} = 3{\rm{x}} + 1\)

Equation of a common tangent to the circle, x2 + y2 – 6x = 0 and the

1.	Equation of a common tangent to the circle, x2 + y2 – 6x = 0 and the parabola y2 = 4x, is:
A.	\(2\sqrt 3 {\rm{y}} = 12{\rm{x}} + 1\)
B.	\(\sqrt 3 {\rm{y}} = {\rm{x}} + 3\)
C.	\(2\sqrt 3 {\rm{y}} = - {\rm{x}} - 12\)
D.	\(\sqrt 3 {\rm{y}} = 3{\rm{x}} + 1\)
Answer» C. \(2\sqrt 3 {\rm{y}} = - {\rm{x}} - 12\)

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Equation of a common tangent to the circle, x2 + y2 – 6x = 0 and the parabola y2 = 4x, is:

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