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If the circle x2+y2+6x−2y+k=0 bisects the circumference of the circle x2+y2+2x−6y−15=0, then k _______ |
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Answer» If the circle x2+y2+6x−2y+k=0 bisects the circumference of the circle x2+y2+2x−6y−15=0, then k _______ |
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