The number of common tangents to the cir...

The number of common tangents to the circles `x^2 + y^2 - 4x + 6y + 8 = 0 and x^2 + y^2 - 10x - 6y + 14 = 0` is : (A) 2 (B) 3 (C) 4 (D) none of these

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