If f(x)=ax+bcx+df(x) = \frac{ax+b}{cx+d}f(x)=cx+dax+b satisfies f(f(x))=xf(f(x)) = xf(f(x))=x and f(1)=2,f(2)=3f(1) = 2, f(2) = 3f(1)=2,f(2)=3, what is f(0)f(0)f(0)?
−1-1−1
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111
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