acos((x^2-4)/sqrt(x^4+16))
/ 2 \
| x - 4 |
acos|------------|
| _________|
| / 4 |
\\/ x + 16 /
/ / 2 \\ d | | x - 4 || --|acos|------------|| dx| | _________|| | | / 4 || \ \\/ x + 16 //
/ 3 / 2 \\
| 2*x 2*x *\x - 4/|
-|------------ - -------------|
| _________ 3/2|
| / 4 / 4 \ |
\\/ x + 16 \x + 16/ /
--------------------------------
_______________
/ 2
/ / 2 \
/ \x - 4/
/ 1 - ---------
/ 4
\/ x + 16
/ 2 \
| / 2 / 2\\ |
| 2 | x *\-4 + x /| / 2\|
| 2*x *|-1 + ------------| *\-4 + x /|
| 4 2 / 2\ 6 / 2\ | 4 | |
| 4*x 3*x *\-4 + x / 6*x *\-4 + x / \ 16 + x / |
-2*|1 - ------- - -------------- + -------------- + -----------------------------------|
| 4 4 2 / 2\ |
| 16 + x 16 + x / 4\ | / 2\ | |
| \16 + x / | \-4 + x / | / 4\ |
| |1 - ----------|*\16 + x / |
| | 4 | |
\ \ 16 + x / /
----------------------------------------------------------------------------------------
________________
/ 2
/ / 2\ _________
/ \-4 + x / / 4
/ 1 - ---------- *\/ 16 + x
/ 4
\/ 16 + x
/ / 2 2\ \
| / 2 / 2\\ | 4 / 2\ 2 / 2\ 6 / 2\ | / 2 / 2\\ / 4 2 / 2\ 6 / 2\\ 3 |
| | x *\-4 + x /| | 2 8*x *\-4 + x / 3*x *\-4 + x / 8*x *\-4 + x / | | x *\-4 + x /| / 2\ | 4*x 3*x *\-4 + x / 6*x *\-4 + x /| / 2 / 2\\ 2|
| |-1 + ------------|*|-4 + 3*x - -------------- - --------------- + ---------------| 2*|-1 + ------------|*\-4 + x /*|1 - ------- - -------------- + --------------| 2 | x *\-4 + x /| / 2\ |
| | 4 | | 4 4 2 | | 4 | | 4 4 2 | 6*x *|-1 + ------------| *\-4 + x / |
| 6 \ 16 + x / | 16 + x 16 + x / 4\ | 4 / 2\ 8 / 2\ \ 16 + x / | 16 + x 16 + x / 4\ | | 4 | |
| 2 18*x \ \16 + x / / 27*x *\-4 + x / 30*x *\-4 + x / \ \16 + x / / \ 16 + x / |
4*x*|-12 + 15*x - ------- + ------------------------------------------------------------------------------------ - --------------- + --------------- + ------------------------------------------------------------------------------- + ------------------------------------|
| 4 2 4 2 2 2 |
| 16 + x / 2\ 16 + x / 4\ / 2\ / 2\ |
| \-4 + x / \16 + x / \-4 + x / | / 2\ | |
| 1 - ---------- 1 - ---------- | \-4 + x / | / 4\ |
| 4 4 |1 - ----------| *\16 + x / |
| 16 + x 16 + x | 4 | |
\ \ 16 + x / /
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
________________
/ 2
/ / 2\ 3/2
/ \-4 + x / / 4\
/ 1 - ---------- *\16 + x /
/ 4
\/ 16 + x