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Mathematics, 20.08.2021 06:00 allisonpinegar7830

Anyone help me please \frac{ \sqrt{x + 1} +  \sqrt{x - 1}  }{ (\sqrt{x + 1}  -  \sqrt{x - 1}) }  +  \frac{ \sqrt{x + 1} -  \sqrt{x - 1}  }{( \sqrt{x + 1} +  \sqrt{x - 1})  }
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