The equation of the circle whose centre is (1, ?3) and which touches t

1.	The equation of the circle whose centre is (1, ?3) and which touches the line \[2x-y-4=0\] is
A.	\[5{{x}^{2}}+5{{y}^{2}}-10x+30y+49=0\]
B.	\[5{{x}^{2}}+5{{y}^{2}}+10x-30y+49=0\]
C.	\[5{{x}^{2}}+5{{y}^{2}}-10x+30y-49=0\]
D.	None of these
Answer» B. \[5{{x}^{2}}+5{{y}^{2}}+10x-30y+49=0\]

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The equation of the circle whose centre is (1, ?3) and which touches the line \[2x-y-4=0\] is

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