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Find the equations of direct common tangents for two circles x2 + y2 + 6x − 2y + 1 = 0, x2 + y2 − 2x − 6y + 9 = 0 |
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Answer» Find the equations of direct common tangents for two circles x2 + y2 + 6x − 2y + 1 = 0, x2 + y2 − 2x − 6y + 9 = 0 |
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