II.
(y'~2ty^t
i>'U=0
jednorodne y'-2ty = O
dy
dt
In r -r i InC
y' = Ce' i Cc' *2t
ity
2 tdt + InC
cv,: i <■ v rrt
Ce*' =/
dc
Ht
- te 1 > dc - te r dt - > [ dc — j* te r dt
[te rdt
r ~ u
"Lidi - dii........> tdt - - du
2
f eudu - eu >•-- • * e ! *» I
y =
Y\
1
v’(0 ) - Dex - 1 ■■■-> D - 1 - O > D - ‘
2 2 2