Question

need some help with this

Answer 1

question?

Answer 2

i'm getting -2 but that not in the options :(

Answer 3

Does \([t-3]\) denote the greatest integer function? Or is that just an odd choice of parentheses?

Answer 4

diffrentiation of impulse is doublet , right?

Answer 5

no no its not gif

Answer 6

The cosine term vanishes. According to this page, any integral over an interval containing zero makes \(\int \delta'(t)\,dt\) vanish as well... http://en.wikipedia.org/wiki/Unit_doublet

Answer 7

Hmm I'm getting the same answer, -2

Answer 8

okay then the options might be wrong ,thanks :)