表达式4: "g" left parenthesis, "x" , right parenthesis equals StartFraction, "d" Over "d" "x" , EndFraction "f" left parenthesis, "x" , right parenthesisgx=ddxfx
4
表达式5: "h" left parenthesis, "x" , right parenthesis equals StartRoot, 1 plus "g" left parenthesis, "x" , right parenthesis , EndRoothx=1+gx
5
表达式6: Start integral from "x" Subscript, 1 , Baseline to "x" Subscript, 2 , Baseline , end integral, "h" left parenthesis, "x" , right parenthesis "d" "x"∫x2x1hxdx
equals=
7.2 2 8 1 5 5 5 8 0 3 77.22815558037
6
表达式7: Start integral from "x" Subscript, 1 , Baseline to "x" Subscript, 2 , Baseline , end integral, StartRoot, 1 plus cos left parenthesis, "x" , right parenthesis , EndRoot "d" "x"∫x2x11+cosxdx
