MCQOPTIONS
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| 1. |
\[a{{x}^{2}}+2{{y}^{2}}+2bxy+2x-y+c=0\] represents a circle through the origin, if [MP PET 1984] |
| A. | \[a=0,\ b=0,\ c=2\] |
| B. | \[a=1,\ b=0,\ c=0\] |
| C. | \[a=2,\ b=2,\ c=0\] |
| D. | \[a=2,\ b=0,\ c=0\] |
| Answer» E. | |