GIA'I PHU.O.NG TRNH

24)

Gia'i phu.o.ng trnh:

y

2

+x

2

y

0

=xyy

0

2

x

2

HD gia’i:

Vi^et phu.o.ng trnh la.i

y

0

=

y

y

x

−1

d^ay la phu.o.ng trnh thu^an nh^at, gia'i

ra du.o..c nghi^e.m t^o'ng quat:

y

2

=Cxe

y

x