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If a circle C, whose radius is 4, touches the circle x2+y2+4x−6y−3=0 at point (2,3) externally, then the length of the intercept cut by the circle C on the x−axis is equal to |
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Answer» If a circle C, whose radius is 4, touches the circle x2+y2+4x−6y−3=0 at point (2,3) externally, then the length of the intercept cut by the circle C on the x−axis is equal to |
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