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\:A\:x^2\:+\:B\:y^2\:+\:D\:x\:+\:E\:y\:+\:F\:=\:0\:
\:A\:x^2\:+\:B\:y^2\:+\:D\:x\:+\:E\:y\:+\:F\:=\:0\:
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