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y=a+3/(x-b)化為,x=b+3/(y-a)函數f(x)=a+3/x-b的反函數是:y=b+3/(x-a)=b+6/(2x-2a)函數g(x)=1+c/(2x+1),對應比較,得b=1,c=6,a=-1/2
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