/ 2*x x \ | 1 e e | x -2*|- - + -------- + ---------------------|*e | 2 2*x / 2*x\ / x\| \ 1 + e 4*\1 + e /*atan\E // ---------------------------------------------- __________ / 2*x\ / / x\ \1 + e /*\/ atan\E /
/ 2*x 4*x x 3*x 2*x \ |1 4*e 4*e 3*e 3*e 3*e | x 2*|- - -------- + ----------- - --------------------- + ---------------------- + -----------------------|*e |2 2*x 2 / 2*x\ / x\ 2 2 | | 1 + e / 2*x\ 4*\1 + e /*atan\E / / 2*x\ / x\ / 2*x\ 2/ x\| \ \1 + e / 2*\1 + e / *atan\E / 8*\1 + e / *atan \E // ------------------------------------------------------------------------------------------------------------ __________ / 2*x\ / / x\ \1 + e /*\/ atan\E /