2. The unit impulse function 6(t-t0)=0t≠t +0 and 8(t-to)dt=1 or 8(t-to )dt= fo L{a(-o)2=0c-3(-10)=e-3 δ(t-t0)e Jto=0()分12. The unit impulse function     − = − = − =    + − + − 0 0 ( ) 1 ( ) 1 ( ) 0 0 0 0 0 t t and t t dt or t t dt t t t t      0 0 0 0 ( ) ( ) st st L t t e t t dt e  − −   − =  − = 0 ( ) 0 s t t t e  −  − If t 0 = 0  (t) 1 t ( ) 0  t − t 0 1 0 t