1. September 14,2009
http://my.opera.com/vinhbinhpro
Giitch12
Phn IV : thcahms - phptnhtinhta
Nhn space bar hay click chutxemccdngvtrangktip
Bintp PPS : vinhbinhpro

2. TM TT L THUYT
1. nhngha: (thcahms)
* thcahmsy = f(x) xcnhtrntpDltphpccimcta
(x , f(x) ) camtphngta.
* thcahmsy = f(x) lng cong cphngtrnhy = f(x) ( gitt
lng cong y = f(x))
2.Cng thcchuynhta ( bngphptnhtin )
y
Y
Cho hta Oxy vivctnv
Y
y
Thchinphptnhtintheo
X
X
Cngthcchuynhta :
0
x
x
http://my.opera.com/vinhbinhpro
3. TM TT L THUYT
3. Phngtrnhcang cong /v htami :
Cho hmsy = f(x) cthlng cong (C)ivihtaOxy.
Vitphngtrnhcang cong (C)ivihtamiIXY .
pdngcngthcchuynhta
Ta c :
Vyphngtrnhcang cong (C)ivihtamiIXYl :
Bintppps: vinhbinhpro
4. TM TT L THUYT
4. Giibitontmtmixng, trcixngcathhms :
Cho hmsy = f(x) cthlng cong (C)ivihtaOxy.
Phngtrnhcang cong (C)ivihtamiIXYl :
a) Ta ichng minh hms (*) lhmschn:
Lcnyng cong (C)cahmsnhntrcYIYlmtrcixngcath
b) Ta ichng minh hms (*) lhmsl:
Lcnyng cong (C)cahmsnhn
lmtmixngcath
Trcixngcath
Tmixngcath
5. Bitp
Phn IV : thcahms - phptnhtinhta
6. Bitp 1
a) XcnhimIthucth(C) cahms:
chonhlnghimcaphngtrnhy = 0.
b) Chng minh Iltmixngcath(C)
Hngdn
b)Thchinchuynhtatrongphptnhtintheovect
tachta
miIXY.
p dung cngthcchuynhta
Thu gntac:
t
VyY(X)lhmsl
KtLun : th(C)nhnI (1 ; -1 ) lmtmixng
Bintppps : vinhbinhpro
7. Bitp 2
Xcnhtmixngcahmssau :
Hngdn :
Gi
ltmixngcathhms
pdngcngthcchuynhtatheo
vhtamiIXY
Dngkhccahms
ltmixngcathhms
lhmsl
Thu gnphngtrnh ,tac
cvsnghim
http://my.opera.com/vinhbinhpro
8. Bitp 3
Xcnhtrcixngcahmssau :
Hngdn :
Chuynhta Oxyvhta IXY bngphptnhtintheo
vi
pdngcngthcchuynhta :
thhmsc 1 trcixngnn*Y(X) philhmschn.Ta c
Thu gnphngtrnhtrntac
(* cvsnghim)
Vytrcixngcathlngthngc pt :
(song songtrcOy)
http://my.opera.com/vinhbinhpro
9. Bitp 4
Chng minh rngth(C)cahms :
nhnimI (1,4) lmtmixng
Hngdn :
ChnhtamiIXYvigcI (1;4) bngphptnhtintheo
pdngcngthcchuynhta
Phngtrnhca(C) tronghtaIXYl :
lhmslnnth(C)nhnI(1,4)ltmixng
10. Bintptp PPS nyvihyvngccbnhcsinhphnnornluynckhnngthcvtmrngvn . Chcccbnthnhcng.
Phngp vchnhsaxinccbn comment bndichiuhnhtrctuyn.
vinhbinhpro
nxemphn V: ngtimcncathhms