2 / ________\ x | / 2 | ------------------------ + acos\\/ 4 - x / _________ ________ / 2 / 2 \/ -3 + x *\/ 4 - x
/ 2 2 \ | x x | x*|3 - ------- - -------| | 2 2| \ -4 + x -3 + x / ------------------------- _________ ________ / 2 / 2 \/ -3 + x *\/ 4 - x
/ 2 2 2 \ 2 2 2 | 3 3 3*x 3*x 2*x | 3*x 3*x 3 + x *|- ------- - ------- + ---------- + ---------- + -------------------| - ------- - ------- | 2 2 2 2 / 2\ / 2\| 2 2 | -4 + x -3 + x / 2\ / 2\ \-4 + x /*\-3 + x /| -4 + x -3 + x \ \-4 + x / \-3 + x / / ------------------------------------------------------------------------------------------------ _________ ________ / 2 / 2 \/ -3 + x *\/ 4 - x