Expression 1: "f" left parenthesis, "x" , right parenthesis equals StartFraction, 2 Over "x" squared minus 1 , EndFraction plus StartFraction, 1 Over "x" minus 1 , EndFractionfx=2x2−1+1x−1
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Expression 2: "g" left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over "x" plus 1 , EndFractiongx=1x+1