分式判断1题计算(1+(1/x-1))除以(1+(1/(x^2-1))的结果为( )答案是C,请解析!A.1 B.X+1 C.(X+1)/X D.1/(X-1)

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分式判断1题计算(1+(1/x-1))除以(1+(1/(x^2-1))的结果为(    )答案是C,请解析!A.1   B.X+1   C.(X+1)/X   D.1/(X-1)
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分式判断1题计算(1+(1/x-1))除以(1+(1/(x^2-1))的结果为( )答案是C,请解析!A.1 B.X+1 C.(X+1)/X D.1/(X-1)
分式判断1题
计算(1+(1/x-1))除以(1+(1/(x^2-1))的结果为( )答案是C,请解析!
A.1 B.X+1 C.(X+1)/X D.1/(X-1)

分式判断1题计算(1+(1/x-1))除以(1+(1/(x^2-1))的结果为( )答案是C,请解析!A.1 B.X+1 C.(X+1)/X D.1/(X-1)
(1+(1/x-1))/(1+(1/(x^2-1))
=(x^2-1+x+1)/(x^2-1+1)
=x(x+1)/x^2
=(x+1)/x
C.(X+1)/X

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