设函数f:R→R,满足f(0)=1,且对任意x,y∈R,都有f(xy+1)=f(x)f(y)-f(y)-x+2,则f(x)=____
设函数f:R→R,满足f(0)=1,且对任意x,y∈R,都有f(xy+1)=f(x)f(y)-f(y)-x+2,则f(x)=______....
设函数f:R→R,满足f(0)=1,且对任意x,y∈R,都有f(xy+1)=f(x)f(y)-f(y)-x+2,则f(x)=______.
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