Expression 2: pi minus StartFraction, left parenthesis, pi cubed "x" squared , right parenthesis Over 6 , EndFractionπ−π3x26
2
Expression 3: pi minus StartFraction, left parenthesis, pi cubed "x" squared , right parenthesis Over 6 , EndFraction plus StartFraction, left parenthesis, pi to the 5th power "x" to the 4th power , right parenthesis Over 120 , EndFractionπ−π3x26+π5x4120
3
Expression 4: StartFraction, sin left parenthesis, pi "x" , right parenthesis Over "x" , EndFractionsinπxx