TM NGHI^E.M T^O'NG QUAT CU'A CAC PHU.O.NG TRNH SAU

18) - 201-bai-tap-phuong-trinh-vi-phan
201-bai-tap-phuong-trinh-vi-phan
18)

Tm nghi^e.m t^o'ng quat cu'a cac phu.o.ng trnh sau:

y

0

−y=y

2

.HD gia’i:

D - ^ay la phu.o.ng trnh tach bi^en va co nghi^e.m t^o'ng quat la

ln| yy+ 1|=x+C.