Q.The number of common tangents to the circles $x^2 + y^2 + 2x + 4y + 4 = 0$ and $x^2 + y^2 - 6x - 4y + 4 = 0$ is

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Q.The number of common tangents to the circles x2+y2+2x+4y+4=0x^2 + y^2 + 2x + 4y + 4 = 0x2+y2+2x+4y+4=0 and x2+y2−6x−4y+4=0x^2 + y^2 - 6x - 4y + 4 = 0x2+y2−6x−4y+4=0 is