Oliy m iqti m sohasi: im yo‘nalis oliy V



Download 1,98 Mb.
Pdf ko'rish
bet3/21
Sana07.02.2020
Hajmi1,98 Mb.
#39081
1   2   3   4   5   6   7   8   9   ...   21
Bog'liq
IuM amaliy (2-sem) 188


21.81. 
 
21.82. 
 
21.83. 
 
21.84. 
 
21.85. 
 
21.86. 
 
21.87. 
 
21.88. 
(
)
; ;
z
f x y z
x
y
=

 
21.89. 
( )
1
;
arcsin
y
f x y
x

=
 
21.90. 
( )
;
arcsin
arccos
2
2
x
y
f x y
=
+
 
21.91. 
(
)
1
1
1
; ;
f x y z
x
y
z
=
+
+
 
 
 
Foydalanishgatavsiyaetiladiganadabiyotlar
roʻyxati 
 
1. 
Mike Rosser. Basic mathematics for economists. London and New York 
1993, 2003y. 
2. 
M.Harrison and P.Waldron Mathematics for economics and finance. 
London and New York 2011y. 
3. 
M. Hoy, J.Livernois et.al. Mathematics for Economics. The MIT Press, 
London& Cambridge, 2011. 
4. 
Robert M. Leekley, Applied Statistics for Businiess and Economics, USA, 
2010. 
5. 
Alpha C. Chiang, Kevin Wainwright, Fundamental Methods of 
Mathematical Economics, NY 2005 
( )
(
)
y
x
y
x
f
+
= ln
,
( )








=
1
4
9
ln
,
2
2
y
x
y
x
f
( )
(
)
2
2
,
y
x
Cos
y
x
f
+
=
( )
y
x
y
x
y
x
f


+
=
,
( )
2
2
25
,
y
x
y
x
f


=
( )
(
)
8
4
ln
,
2
+

=
x
y
y
x
f
( )
2
2
2
1
,
y
x
y
x
f


=

22-amaliy mashg‘ulot.  Funksiya limiti 
 
Funksiyalimitita’rifidanfoydalanibquyidagilarniisbotlang: 
22.1.
(
)
4
5
3
lim
3
=


x
x
 
Ixtiyoriy
0
>
ε
 
son uchunshungay
0
>
δ
topilib,  
δ
<
− 3
x
tengsizlikniqanoatlantiruvchibarchaxlaruchun
(
)
ε
<


4
5
3x
tengsizliko‘rinlibo‘lishiniko‘rsatishimizkerak. Ixtiyoriy
0
>
ε
 
son 
olaylik.  
(
)
(
)
ε
<

=

=

=


3
3
3
3
9
3
4
5
3
x
x
x
x
3
3
ε
<

x
.  Agar  
3
ε
δ
<
  deb  olsak,  
δ
<
− 3
x
tengsizlikniqanoatlantiruvchixlaruchun
ε
<


4
)
5
3
x
tengsizliko‘rinlibo‘ladi. 
Shu bilian
4
)
5
3
(
lim
3
=


x
x
ekanligiisbotlandi. 
22.2.
3
)
1
4
(
lim
1
=


x
x
 
22.3.
1
lim
2
=

Sinx
x
π
 
22.4.
3
)
1
(
2
2
lim
=


x
x
,    δ ningqandayqiymatlarida
δ
<

<
2
0
x
tengsizlikdan
001
.
0
3
)
1
(
2
<


x
tengsizlikkelibchiqadi? 
 


,
0
0
ko‘rinishidagianiqmasliklarnioching: 
22.5.
1
1
1
)
1
)(
2
(
2
2
3
2
lim
lim
lim
2
2
2
2
=

=



=
+





x
x
x
x
x
x
x
x
x
x
 
22.6.
3
2
9
2
2
3
lim




x
x
x
x
 
 
22.7.
x
tgx
x
2
sin
lim
π

 

22.8.
x
x
x
x
2
cos
cos
sin
lim
4


π
 
 
22.9.
1
3
1
lim
0

+

x
x
x
 
22.10.
1
1
3
1
lim



x
x
x
 
 
22.11.
x
mx
x
1
1
3
0
lim

+

 
22.12.
x
x
x
x


+

1
1
lim
0
 
 
22.13.
x
Sin
tgx
tgx
x
2
1
1
lim
+



π
 
22.14.
3
3
2
1
7
5
lim
x
x
x
x




                                        22.15.
1
1
2
3
lim
+



x
x
x
 
22.16.
1
3
6
lim
+



x
x
x
x
 
22.17.
8
6
3
3
2
lim
+
+


x
x
x
 
22.18.
1
2
3
2
1
lim
+




x
x
x
x
 
22.19.
Sinx
Cosx
x
+
+

1
lim
0
π
 
22.20.
49
3
2
2
7
lim




x
x
x
 
22.21.
1
2
5
3
1
2
2
2
2
3
4
2
3
4
1
lim
+

+

+

+


x
x
x
x
x
x
x
x
x
 
22.22.
x
x
x
+




4
3
1
6
lim
5
22.23.
2
3
2
4
2
3
2
2
1
lim
+






x
x
x
x
x
x
 
22.24.
x
x
x
x
x
x
x

+


+
+

2
2
2
0
1
1
lim
 
1
lim
0
=

x
Sinx
x
ajoyiblimitdanfoydalanibquyidagilimitlarnitoping: 
22.25.
7
6
7
6
7
7
7
6
6
6
7
6
lim
lim
lim
0
0
0
=
=
=



x
x
x
x
x
Sin
x
x
x
Sin
x
Sin
x
Sin
x
x
x
 
22.26.
x
x
Sin
x
4
lim
0

22.27.
xSinx
x
Cos
x
2
1
lim
0


 
22.28.
h
h
x
Sin
h
x
Sin
h
)
(
)
(
lim
0


+

22.29.
2
0
1
lim
x
Cosx
x


 

22.30.
1
1
4
lim
0

+

x
x
Sin
x
22.31.
x
x
Cos
x
2
1
lim
0
0



 
22.32.
1
sec
2
lim
0



x
Sinx
x
x
22.33.
xSinx
x
tg
x
Cos
x
2
0
2
1
lim
+


 
22.34.
x
x
x
x
2
)
2
arcsin(
2
2
lim
+
+


22.35.
x
Cos
x
Cos
x
3
1
5
1
lim
0



 
22.36.
x
Sin
x
Cos
x
4
5
lim
2
π

22.37.
Cosx
Cosx
Cosx
Cosx
x
2
3
2
1
lim
0

+

+

 
22.38.
)
2
(
1
lim
2
x
Sinx
x



π
π
22.39.
Cosx
x
Sin
x
Cos
x
2
2
lim
2


π
 
 
 
Limitlarnitoping: 
22.40.
1
2
3
2
1
lim
+



x
x
x
x
22.41.
3
3
9
2
3
lim



x
x
x
 
22.42.
a
x
x
ax
a
x



lim
22.43.
1
4
2
2
3
5
2
2
lim
+
+
+



x
x
x
x
x
 
22.44.
2
1
2
1
2
5
lim
x
x
x
x

+


22.45.
Sinx
Cosx
x
Cos
x
Sin
x




1
2
2
lim
4
π
 
22.46.
2
2
0
2
lim
x
x
Sin
x

22.47. 
2
2
3
lim
0

+

x
x
Sin
x
 
22.48.
1
4
)
2
1
arcsin(
2
5
1
lim



x
x
x
22.49.
2
0
1
lim
x
Cosmx
x


 
22.50.








+





2
)
2
(
1
2
2
2
4
)
2
(
lim
x
x
x
x
Sin
22.51. 
3
0
lim
x
Sinx
tgx
x


 

22.52. 
h
h
x
Cos
h
x
Cos
h
)
(
)
(
lim
0


+

22.53.
0
0
lim
0
x
x
tgx
tgx
x
x



 
22.54.
x
Cosx
Sinx
x
4
lim
4



π
π
22.55.
1
7
3
6
5
3
2
2
3
2
4
lim

+
+

+
+


x
x
x
x
x
x
x
 
22.56.
)
1
7
2
)(
2
(
)
1
)(
5
4
2
(
2
3
4
2
3
lim

+
+
+
+
+
+
+
+


x
x
x
x
x
x
x
x
x
x
 
 
22.57.
(
)(
)
2
3
3
3
3
3
3
)
3
(
2
2
2
2
2
2
2
lim
lim
lim
=
+
+

+
=
+
+
+
+

+
=

+
+∞

+∞

+∞

x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
 
22.58.










1
2
1
1
2
1
lim
x
x
x
22.59. 
(
)
x
x
x
x
x


+
+
+∞

2
2
1
lim
 
22.60.










8
12
2
1
3
2
lim
x
x
x
22.61.














2
4
1
1
2
2
0
lim
x
Sin
x
Sin
x
 
22.62. 
(
)
x
x
x
x
4
1
2
2
lim


+
−∞

22.63. 







+
+


4
4
2
1
2
2
lim
x
x
x
 
22.64.
ctgx
x
Sin
x


2
lim
π
 
22.65. 
;
1
1
2
lim
x
x
x





 −


  Bu limitnihisoblashda
e
x
x
x
=





 +


1
1
lim
ajoyiblimitdanfoydalanamiz: 
1
lim
lim
1
1
1
1
0
1
2
2
2
2
2
lim
lim
=
=

=
=















+
=





 −









 −






e
e
e
x
x
x
x
x
x
x
x
x
x
x
x
x
 
22.66. 
x
x
x
2
5
1
lim





 +


22.67. 
x
x
x
x







+


1
2
1
2
lim
 

22.68.
(
)
x
x
x
x



1
0
4
1
lim
  22.69. 
x
x
x
x







+


2
8
lim
 
22.70. 
x
x
x
x
x
x






+

+



1
4
1
2
2
2
lim
 
22.71. 
1
3
1
3
1
3
lim
+









+
x
x
x
x
 
22.72. 
x
x
x
x
5
2
3
2
2
lim










 
 
Ko‘po‘zgaruvchilifunksiyalarninglimitinitoping: 
22.73.
2
2
3
0
)
(
lim
x
y
x
Sin
y
x



 
3
)
sin(
)
sin(
lim
lim
lim
3
0
2
2
3
0
2
2
3
0
=
=



=







y
y
y
x
y
x
x
y
x
y
x
y
x
y
x
 
22.74. 
0
,
2
0
0
lim





a
xy
xy
a
a
y
x
 
22.75.
y
xy
tg
y
x
)
(
lim
0
3


22.76.
xy
Sin
y
x
y
x
1
)
(
2
2
0
0
lim

+


 
22.77. 
x
a
y
x
x





 +



1
lim
22.78.
2
2
2
2
0
0
1
1
lim
y
x
y
x
y
x
+

+


 
22.79. 
(
)
2
2
1
2
2
0
0
1
lim
y
x
y
x
y
x
+


+
+
 

23-amaliy mashg‘ulot.Funksiyauzluksizligi 
 
23.1.Quyidagifuksiyalarningko‘rsatilgannuqtalaridabirtomonlilimitlarinito
ping:  
a) f(x)=





+
<
<
+
3
1
,
1
3
1
0
,
1
x
agar
x
x
agar
x
x=1  nuqtasida 
2
)
1
(
)
(
)
0
1
(
lim
lim
0
1
0
1
=
+
=
=





x
x
f
f
x
x
 
4
)
1
3
(
)
(
)
0
1
(
lim
lim
0
1
0
1
=
+
=
=
+
+

+

x
x
f
f
x
x
 
b) 




<



=
3
1
,
2
1
1
,
3
)
(
x
agar
x
x
agar
x
x
f
x=1   x=2  nuqtalarda 
c) 
{ } { }
x
x
x
y

=
,
ningkasrqismi;     x=1,   x=2,    x=3 nuqtalarda 
d) 
1
,
1
1
3
)
(
=

+
=
x
x
x
x
f
nuqtada 
23.2.Quyidagifunksiyalarninguzluksizliginita’rifgabinoanisbotlang. 
a)   
2
)
(
2

+
=
x
x
x
f
barcha
(
)
+∞



;
x
larda 
=

+



+
+

+
=


+




))
2
(
2
)
(
)
((
))
(
)
(
(
2
2
0
0
lim
lim
x
x
x
x
x
x
x
f
x
x
f
x
x
 
0
)
2
(
2
0
lim
=

+

+


=


x
x
x
x
x
 
Demak,  f(x)barcha
)
;
(
+∞
−∞

x
lardauzluksiz. 
b) 
,
)
2
3
sin(
)
(
+
=
x
x
f
barcha
)
;
(
+∞
−∞

x
larda 
c)  
1
1
)
(
+
=
x
x
f
, barcha
)
;
1
(
+∞

larda 
Quyidagifunksiyalarninguzilishnuqtalarivaularningturlarinianiqlang. 
Grafiklariniyasang: 
Download 1,98 Mb.

Do'stlaringiz bilan baham:
1   2   3   4   5   6   7   8   9   ...   21




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©hozir.org 2024
ma'muriyatiga murojaat qiling

kiriting | ro'yxatdan o'tish
    Bosh sahifa
юртда тантана
Боғда битган
Бугун юртда
Эшитганлар жилманглар
Эшитмадим деманглар
битган бодомлар
Yangiariq tumani
qitish marakazi
Raqamli texnologiyalar
ilishida muhokamadan
tasdiqqa tavsiya
tavsiya etilgan
iqtisodiyot kafedrasi
steiermarkischen landesregierung
asarlaringizni yuboring
o'zingizning asarlaringizni
Iltimos faqat
faqat o'zingizning
steierm rkischen
landesregierung fachabteilung
rkischen landesregierung
hamshira loyihasi
loyihasi mavsum
faolyatining oqibatlari
asosiy adabiyotlar
fakulteti ahborot
ahborot havfsizligi
havfsizligi kafedrasi
fanidan bo’yicha
fakulteti iqtisodiyot
boshqaruv fakulteti
chiqarishda boshqaruv
ishlab chiqarishda
iqtisodiyot fakultet
multiservis tarmoqlari
fanidan asosiy
Uzbek fanidan
mavzulari potok
asosidagi multiservis
'aliyyil a'ziym
billahil 'aliyyil
illaa billahil
quvvata illaa
falah' deganida
Kompyuter savodxonligi
bo’yicha mustaqil
'alal falah'
Hayya 'alal
'alas soloh
Hayya 'alas
mavsum boyicha


yuklab olish