Bing hai phuong ph6p: a Trgc tii3p.
Trang 1( Thdi gian 120 phrit 11
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Tinh tich ph6n I :
{{Zrl, - x - y,)ctx + (xy - x + y)dy
(q) le duong ton F n-y''& 2u* (a > o) Bing hai phuong ph6p:
a) Trgc tii3p
b) Sri dqng c6ng thftc Green;.* I
cAU tt: rz eicm)
Tich phdn mdt:
l= [[x':ayat -2xydzdx +3xzdxgl
,s
S li phia ngoiri mdt ciu *'* y' + z2 = 4
cAu tu: r:.oo ai+imr
l) Cho hdm s6 .f (z) =t:g!:
a) Tinh ne.r{'/tr) o}
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'9#,ql:-1t9.+9j4h!qshiq,3gt
qz)]ry?f:gai f(AglrggsbJ{eutpe!-srar, hiir}s****-==*
pRuc
f di6m bAt thuong vd tinh th4ng du tai tti€m bdt thuong tuong ung 2) Phdn lo4i di6m bAt thuong vd tinh thdns du tai tti€m bdt thuims rrrcynrr rino
' cta him f(z) sau day: f (z) = t' -?z-+1
z_3
cAu tv: (_z.oo aiemr
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l Tinh th4ng du cua c6c hirm f(z):
a;i, rai cilc dii-lm bdt thuong khong k6 * .
2)rinh1= ,",12 +l { +.
r._ +.1 =i
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