Równania Różniczkowe
, x (2x + y) — 2 ln2 (2x + y)
V ~ -TT?
In2 (2x + y)
7. +
x V x
9. ^-tgJt + S, x x
11. y' + 2xy = e~‘ 13. s/
15.
y
2x
17. y/y +
X2 + 1
2x> '
+ 2x +
+ arctgj: + 1
19. y" - 2y +y = 0, 21. y"-3i/ + 2y = 0. 23. ;/' - 2t/ = 0.
25. y" — 2i/ + 3y = 0,
27. y"-5i/ = 3x,
29. yw + 2y' — 15y = x2 -f x,
31. i/' — 2}J + 3y = 2x + 3 — sinx,
\/ — 2xe** (y + 1) = 0, y(0) = 0,
gXr+t/+3
y = 2x + y + 3 ~ 2’
\Jsin (3x - y) + cos (3x - y) cos(3x — y) t/2 + xy + x2
jr2
^=x8cos(x4 + l),
2y _ \/lnx
x X3 ’ sinxy sinxe2c“*
!/' =
!/' = y' -v' +
y + 2 2y ’
e*y + 2xy + (e1 + 2xy + e”) y' = 0,
y" + 4y + 4y = 0, y" + 2i/-3y = 0. y" + 9y = 0, y" + Gj/ + lOy = 0, y" + 2«/ + 5 = ex, y" - 9y = X2 + c2*, i/' + 4y = e* + cosx.