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x+1+x−1x+1−x−1=4x−12,x= ?\large \dfrac { \sqrt { x+1 } +\sqrt { x-1 } }{ \sqrt { x+1 } -\sqrt { x-1 } } =\dfrac { 4x-1 }{ 2 } \quad, \quad x= \ ? x+1−x−1x+1+x−1=24x−1,x= ?
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