t.-l ,\l"- r"

25. Laplace-transzformrici6L-, {F(p)} =' L- {@:;+r\*l " {6 _ = #rr\= 2et cos2t + 1el sin 21.lO8.l.megoldis (elemi tortekre boutrissal).6fu : 6+.6$,.-'tr+) =t", +r]"'2. megoldris (a kifejtdsi t6tel T 25.31 dltalenos alakjnb6l).'' {#ry;'}= a}t" n#[r'- rrr5al =2. megoldds. A sz6mlil6t F1(p)-vel, a nevez6t F2(p)-vet jelalverrb)Fz(p) (p- 1)r(p - tXp + t)'A T 25.31 kifejt6si titelt alkalmazra:=lyn6ntp+ptr = r",(r + j) .3. megoldr4s. (a kifejt€si t6tel T 25.32 speci6Jis a.lakjrib6l).,-''{;",,}=i}+[,,-,y-,l *. r,*.i g#[r_,rr:"] t ",,*r0e.1. meeordds,=;",-' {5 _ }6;l;'}.+ Is *L,lr- ,r6j,F] # "',-,]",+,",=-*.ir+*-5{;= -", + r", + "o"r.miatt:f(t) = L' {+B}= ai g f;ft,-'t,5 _}6* u*'1,*6$ y:1[o-'r *,1*(p-1),(p-tXp+t)z:*^tl1,!'gr, [to*or (p- l),(p-i)(p+i)- I'25.1,1