Expression 3: StartFraction, left parenthesis, 1 minus "x" , right parenthesis cubed Over left parenthesis, left parenthesis, 1 minus "x" , right parenthesis cubed plus "x" cubed , right parenthesis , EndFraction plus "x"1−x31−x3+x3+x
3
Expression 4: Start integral from 0 to 1, end integral, "f" left parenthesis, "x" , right parenthesis "d" "x"∫10fxdx