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The circle x^2 + y^2 - 2x - 4y + 1 = 0 a...

The circle `x^2 + y^2 - 2x - 4y + 1 = 0` and `x^2 + y^2 + 4x + 4y - 1 = 0`

A

touches internally

B

touch externally

C

have 3x + 4y - 1 = 0 the common tangent at the point of contact

D

have 3x + 4y + 1 = 0 as the common tangent at the point of contact

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The correct Answer is:
B, C
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PATHFINDER-CIRCLE-QUESTION BANK
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