1 / 7*pi*I 7*pi*I | ------ ------ | / 4\ 4 4 / pi*I\ | \x / e *gamma(1/4)*lowergamma(1/4, 0) e *gamma(1/4)*lowergamma\1/4, e / | E dx = - ------------------------------------- + ----------------------------------------- | 16*gamma(5/4) 16*gamma(5/4) / 0
1.27128710490415