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)