Expression 4: "s" equals StartFraction, "x" Over "R" , EndFractions=xR
4
Expression 5: "A" times StartFraction, left parenthesis, 1 minus "s" squared , right parenthesis squared Over 1 plus "F" "s" squared , EndFraction left brace, StartAbsoluteValue, "s" , EndAbsoluteValue less than 1 , right braceA·1−s221+Fs2s<1
5
Expression 6: "A" times StartFraction, left parenthesis, 1 minus "s" squared , right parenthesis squared Over 1 plus "F" "s" , EndFraction left brace, StartAbsoluteValue, "s" , EndAbsoluteValue less than 1 , right braceA·1−s221+Fss<1