運算式 4: "S" left parenthesis, "x" , right parenthesis equals StartFraction, sin left parenthesis, pi "x" , right parenthesis Over pi "x" , EndFractionSx=sinπxπx
4
運算式 5: "S" left parenthesis, "x" , right parenthesis squaredSx2
5
運算式 6: "G" left parenthesis, "x" , right parenthesis times "S" left parenthesis, "x" , right parenthesis squaredGx·Sx2
6
運算式 7: "S" left parenthesis, "x" , right parenthesis "S" left parenthesis, StartFraction, "x" Over 2 , EndFraction , right parenthesisSxSx2
7
運算式 8: "S" left parenthesis, "x" , right parenthesis "S" left parenthesis, StartFraction, "x" Over 3 , EndFraction , right parenthesisSxSx3
