If the parabola \( y=(a-b) x^{2}+(b-c) x+(c-a) \) P touches the \( ...

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If the parabola \( y=(a-b) x^{2}+(b-c) x+(c-a) \)
P touches the \( x \)-axis then the line \( a x+b y+c=0 \)

W always passes through a fixed point is:
(1) \( (1,2) \)
(2) \( (-2,1) \)
(3) \( (2,1) \)
(4) \( (2,-1) \)
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