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