/ 2 2 \ |sign (x) sign (x)*log(|x|) 2*DiracDelta(x)*log(|x|)| 2*|-------- - ----------------- + ------------------------| | 2 2 |x| | \ x x /
/ 2 3 2 \ | 2*sign (x) sign (x) 2*sign (x)*log(|x|) 2*DiracDelta(x, 1)*log(|x|) 6*DiracDelta(x)*sign(x) 6*DiracDelta(x)*log(|x|)*sign(x)| 2*|- ---------- - -------- + ------------------- + --------------------------- + ----------------------- - --------------------------------| | 3 2 3 |x| 2 2 | \ x x *|x| x x x /