Question

a ) How many lines are tangent to both of the circles? x2 + y2 =...

a ) How many lines are tangent to both of the circles?

x2 + y2 = 4

and

x2 + (y − 3)2 = 1?


b) At what points do these tangent lines touch the circles? (Enter your answers from smallest to largest x-value.)

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