Упростите выражение:
1) [tex] (x^{2} - 1)( \frac{1}{x-1} - \frac{1}{x+1} - 1) [/tex]
2) [tex](m+1+ \frac{1}{m-1}) : (m- \frac{ m^{2} }{m-1}) [/tex]
1) [tex] (x^{2} - 1)( \frac{1}{x-1} - \frac{1}{x+1} - 1) [/tex]
2) [tex](m+1+ \frac{1}{m-1}) : (m- \frac{ m^{2} }{m-1}) [/tex]
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