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The minimum value of ∣∣[μ]∣∣ for which the circle x2+y2=9 and x2+y2−μx−6=0 have two common tangents is (where [.] is greatest integer function)

Answer» The minimum value of [μ] for which the circle x2+y2=9 and x2+y2μx6=0 have two common tangents is
(where [.] is greatest integer function)


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