TM NGHI^E.M CU'A CAC PHU.O.NG TRNH SAU

58) - 201-bai-tap-phuong-trinh-vi-phan
201-bai-tap-phuong-trinh-vi-phan
58)

Tm nghi^e.m cu'a cac phu.o.ng trnh sau:

y

0

−y=y

2

.HD gia’i:

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

y

2

= 1Ce

−2x

−1.