/ | | 1 | ------ dt | 2 | t + 4 | /
1 1 ------ = -------------- 2 / 2 \ t + 4 |/-t \ | 4*||---| + 1| \\ 2 / /
/ | | 1 | ------ dt | 2 = | t + 4 | /
/ | | 1 | ---------- dt | 2 | /-t \ | |---| + 1 | \ 2 / | / ---------------- 4
/ | | 1 | ---------- dt | 2 | /-t \ | |---| + 1 | \ 2 / | / ---------------- 4
-t v = --- 2
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 4 4
/ | | 1 | ---------- dt | 2 | /-t \ | |---| + 1 | \ 2 / /t\ | atan|-| / \2/ ---------------- = ------- 4 2
/t\ atan|-| \2/ C + ------- 2
1 / | | 1 atan(1/2) | ------ dt = --------- | 2 2 | t + 4 | / 0
0.231823804500403