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