已知f(x-1/x)=x^2+1/x^2,则f(x+1)=?
A.(x+1)^2+1/(x+1)^2B.(x-1/x)^2+1/(x-1/x)^2C.(x+1)^2+2D.(x+1)^2+1详细过程!~~谢谢...
A.(x+1)^2+1/(x+1)^2
B.(x-1/x)^2+1/(x-1/x)^2
C.(x+1)^2+2
D.(x+1)^2+1
详细过程!~~谢谢 展开
B.(x-1/x)^2+1/(x-1/x)^2
C.(x+1)^2+2
D.(x+1)^2+1
详细过程!~~谢谢 展开
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