The equation of the circle whose radius is 5 and which touches the circle \[{{x}^{2}}+{{y}^{2}}-2x-4y-20=0\] externally at the point (5, 5), is [Pb. CET 2003; IIT 1979]

\[{{x}^{2}}+{{y}^{2}}+18x+16y-120=0\]

\[{{x}^{2}}+{{y}^{2}}-18x-16y-120=0\]

\[{{x}^{2}}+{{y}^{2}}-18x-16y+120=0\]

\[{{x}^{2}}+{{y}^{2}}+18x-16y+120=0\]

The equation of the circle whose radius is 5 and which touches the cir

1.	The equation of the circle whose radius is 5 and which touches the circle \[{{x}^{2}}+{{y}^{2}}-2x-4y-20=0\] externally at the point (5, 5), is [Pb. CET 2003; IIT 1979]
A.	\[{{x}^{2}}+{{y}^{2}}-18x-16y-120=0\]
B.	\[{{x}^{2}}+{{y}^{2}}-18x-16y+120=0\]
C.	\[{{x}^{2}}+{{y}^{2}}+18x+16y-120=0\]
D.	\[{{x}^{2}}+{{y}^{2}}+18x-16y+120=0\]
Answer» C. \[{{x}^{2}}+{{y}^{2}}+18x+16y-120=0\]

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The equation of the circle whose radius is 5 and which touches the circle \[{{x}^{2}}+{{y}^{2}}-2x-4y-20=0\] externally at the point (5, 5), is [Pb. CET 2003; IIT 1979]

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