#### transgalactic

##### Banned

[tex]

\int_{0^+}^{t} (x+1)\delta (x)dx=0

[/tex]

delta is defined that in 0 it is infinity

and on x differs 0 its value is 0

there heard of some formula

i am not sure if its the right form

[tex]

\int f(x)\delta (x)dx=f(0)

[/tex]

why i get 0

??