_________ / _____ \ \/ 2*x - 1 x*atan\\/ 2*x - 1/ - ----------- 2
x*atan(sqrt(2*x) - 1) - sqrt(2*x - 1)/2
___ ___ 1 \/ 2 *\/ x / _____ \ - ------------- + ---------------------- + atan\\/ 2*x - 1/ _________ / 2\ 2*\/ 2*x - 1 | / _____ \ | 2*\1 + \\/ 2*x - 1/ /
___ ___ ___ 1 -1 + \/ 2 *\/ x 3*\/ 2 --------------- - -------------------------- + --------------------------------- 3/2 2 / 2\ 2*(-1 + 2*x) / 2\ ___ | / ___ ___\ | | / ___ ___\ | 4*\/ x *\1 + \-1 + \/ 2 *\/ x / / \1 + \-1 + \/ 2 *\/ x / /
2 / ___ ___\ ___ ___ ___ / ___ ___\ 3 3*\-1 + \/ 2 *\/ x / 3*\/ 2 \/ 2 2*\/ 2 *\-1 + \/ 2 *\/ x / - --------------- - ------------------------------ - -------------------------------- - ---------------------------------- + -------------------------------- 5/2 2 / 2\ 2 3 2*(-1 + 2*x) / 2\ 3/2 | / ___ ___\ | / 2\ / 2\ | / ___ ___\ | 8*x *\1 + \-1 + \/ 2 *\/ x / / ___ | / ___ ___\ | ___ | / ___ ___\ | 2*x*\1 + \-1 + \/ 2 *\/ x / / 2*\/ x *\1 + \-1 + \/ 2 *\/ x / / \/ x *\1 + \-1 + \/ 2 *\/ x / /