MathematicsHard127×since 2002Q3100The number of common tangents, to the circles x2+y2−18x−15y+131=0x^{2}+y^{2}-18 x-15 y+131=0x2+y2−18x−15y+131=0 and x2+y2−6x−6y−7=0x^{2}+y^{2}-6 x-6 y-7=0x2+y2−6x−6y−7=0, is :A4B2C3D1Check answerSkip