---.. -=.T--
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r dd]
.
vhil}';"i6p'rV$i; ''r
xn-oh
Hmffil'
-
)b+1 6*% :
IA
:s ,;i
",
Bai 1
dx + (xy-x + 2y) dy
0,u Gy + 2x-y) li
Tinh tich ph6n durdnn .Fi*-
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li dudngtrdn rd + f -2ay= O(a>0)theo 2c5ch:
v6i (L)
a) Tinh trfc ti6p b) Dirng c6ng thitc Green. S0\
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>*-
Bai 2
ff
mit JJ o, 1l ayaz + f axayl
Tinh tich ph6n axdz + zJ l