Expression 1: 1 half StartFraction, "x" ! Over 2 ! left parenthesis, "x" minus 2 ! , right parenthesis ! , EndFraction left parenthesis, StartFraction, "x" ! Over 2 ! left parenthesis, "x" minus 2 ! , right parenthesis ! , EndFraction plus 1 , right parenthesis minus StartFraction, "x" ! Over 4 ! left parenthesis, "x" minus 4 , right parenthesis ! , EndFraction Has graph. To audio trace, press ALT+T.12x!2!x−2!!x!2!x−2!!+1−x!4!x−4!
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Expression 2: StartFraction, "x" squared left parenthesis, "x" squared minus 1 , right parenthesis Over 12 , EndFraction Has graph. To audio trace, press ALT+T.x2x2−112