x 1 ------- + - + 1 ____ x / 2 \/ x
x/sqrt(x^2) + 1/x + 1
1 1 1 ------- - -- - --- ____ 2 |x| / 2 x \/ x
1 2 sign(x) - --- + -- + ------- |x| 2 x x -------------------- x
1 6 sign(x) --- - -- + 2*DiracDelta(x) - ------- |x| 2 x x ------------------------------------ 2 x