1.

The equation of the circle having centre \[(1,\ -2)\] and passing through the point of intersection of lines \[3x+y=14\], \[2x+5y=18\] is [MP PET 1990]

A.            \[{{x}^{2}}+{{y}^{2}}-2x+4y-20=0\]
B.            \[{{x}^{2}}+{{y}^{2}}-2x-4y-20=0\]
C.            \[{{x}^{2}}+{{y}^{2}}+2x-4y-20=0\]
D.            \[{{x}^{2}}+{{y}^{2}}+2x+4y-20=0\]
Answer» B.            \[{{x}^{2}}+{{y}^{2}}-2x-4y-20=0\]


Discussion

No Comment Found

Related MCQs