计算1除以(x-x分之x方-1)

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计算1除以(x-x分之x方-1)计算1除以(x-x分之x方-1)计算1除以(x-x分之x方-1)=1÷{[(x²-(x²-1)]/(x²-1)}=1÷[1/(x²

计算1除以(x-x分之x方-1)
计算1除以(x-x分之x方-1)

计算1除以(x-x分之x方-1)
=1÷{[(x²-(x²-1)]/(x²-1)}
=1÷[1/(x²-1)]
=x²-1

1/(x-x^2/x-1)
=1/(x-x-1)
=1/(-1)
=-1