№32 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Ikki o‘lchovli to’lqin tenglamasini ko‘rsating.
0
2
yy
xx
tt
u
u
a
u
0
2
xx
tt
u
a
u
0
zz
yy
xx
u
u
u
0
2
zz
yy
xx
tt
u
u
u
a
u
№33 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Bir o‘lchovli issiqlik tarqalish tenglamasini ko‘rsating.
0
2
xx
t
u
a
u
0
2
yy
xx
t
u
u
a
u
0
zz
yy
xx
u
u
u
0
2
zz
yy
xx
t
u
u
u
a
u
№34 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Ikki o‘lchovli issiqlik tarqalish tenglamasini ko‘rsating.
0
2
yy
xx
t
u
u
a
u
0
2
xx
t
u
a
u
0
zz
yy
xx
u
u
u
0
2
zz
yy
xx
t
u
u
u
a
u
№35 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tenglamalardan qaysi biri parabolik tipga tegishli?
2
9
9
0
xx
xy
yy
x
y
u
u
u
u
u
u
2
5
32
0
xx
xy
yy
u
u
u
u
2
3
15
27
0
xx
xy
yy
x
y
u
u
u
u
u
x
2
3
7
4
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
№36 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tenglamalardan qaysi biri elliptik tipga tegishli?
0
32
5
2
u
u
u
u
yy
xy
xx
2
9
9
0
xx
xy
yy
x
y
u
u
u
u
u
u
2
3
7
4
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
2
3
15
27
0
xx
xy
yy
x
y
u
u
u
u
u
x
№37 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tenglamalardan qaysi biri giperbolik tipga tegishli?
2
3
7
4
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
2
9
9
0
xx
xy
yy
x
y
u
u
u
u
u
u
2
5
32
0
xx
xy
yy
u
u
u
u
2
3
15
27
0
xx
xy
yy
x
y
u
u
u
u
u
x
№38 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
0
2
2
y
x
yy
xx
u
y
u
x
u
u
tengalama nechanchi tartibli ?
2
1
3
4
№39 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
0
2
2
y
x
yy
xx
u
y
u
x
u
u
tenglama uchun quyidagi fikrlarning qaysi biri to’g’ri ?
Bir jinsli
Kvazichiziqli
Chiziqli emas.
Bir jinsli emas
№40 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tenglama tipini aniqlang:
0
xx
yy
u
xyu
Aralash
Elliptik
Parabolik
Giperbolik
№41 Fan bobi-1; Fan bo`limi-2; Qiyinlik darajasi-2;
Tenglama tartibini aniqlang:
2
2
2
2
(
2
)
2
0
x xy
xx
xy
y
u u
u
u
u
xy
2
1
3
4
№42 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Tenglama tartibini aniqlang:
2
2
2
cos
sin
2
3
0
xy
xy
x
y
u
u
u
u
u
1
2
3
4
№43 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Tenglama tartibini aniqlang:
2
2
3
0
xxy
x
y
u
u
u
u
3
2
1
4
№44 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
Giperbolik tipdagi tеnglamaning kanonik ko`rinishini toping.
8
0,
( , )
;
f
5
0,
5 ;
3
0 ,
4
;
( , ),
0.
f
№45 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
Elliptik tipdagi tеnglamaning kanonik ko`rinishini toping.
10
0
;
0,
( , )
;
f
3
0 ,
7
;
( , ),
.
f
№46 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
Parabolik tipdagi tеnglamaning kanonik ko`rinishini toping.
( , ),
.
f
2
2
5
0
;
0,
( , )
;
f
0 ,
8
;
№47 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
Aralash tipdagi tеnglamaning ko`rinishini toping.
0
;
xx
yy
yu
u
;
xx
yy
u
f
0,
( , )
;
xx
xy
u
u
u
f x y
( , )
.
xx
u
f x y
№48 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Ikki o`zgaruvchili ikkinchi tartibli
( , )
2 ( , )
( , )
( , , ,
,
)
x
y
xx
xy
yy
A x y u
B x y u
C x y u
x y u u u
diffеrеnsial tеnglama
2
0
B
AC
bo`lsa, qaysi tipga tеgishli bo`ladi?
Gipеrbolik tipga;
Elliptik tipga;
Parabolik tipga;
Aralash tipga.
№49 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Ikki o`zgaruvchili ikkinchi tartibli
( , )
2 ( , )
( , )
( , , ,
,
)
x
y
xx
xy
yy
A x y u
B x y u
C x y u
x y u u u
diffеrеnsial tеnglama
2
0
B
AC
bo`lsa, qaysi tipga tеgishli bo`ladi?
Elliptik tipga;
Gipеrbolik tipga;
Parabolik tipga;
Aralash tipga.
№50 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Ikki o`zgaruvchili ikkinchi tartibli
( , )
2 ( , )
( , )
( , , ,
,
)
x
y
xx
xy
yy
A x y u
B x y u
C x y u
x y u u u
diffеrеnsial tеnglama
2
0
B
AC
bo`lsa, qaysi tipga tеgishli bo`ladi?
Parabolik tipga
Elliptik tipga;
Gipеrbolik tipga;
Aralash tipga.
№51 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang
2
4
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
x y
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Elliptik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Gipеrbolik tipga tеgishli, tartibi birga tеng
№52 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
2
2
2
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Elliptik tipga tеgishli, tartibi birga tеng
№53 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang
2
2
3
0
xx
xy
yy
x
y
u
u
u
u
u
u
xy
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi birga tеng;
Elliptik tipga tеgishli, tartibi birga tеng
№54 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang: 3
12
3
10
4
2
0
xx
xy
yy
x
y
u
u
u
u
u
u
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng;
Gipеrbolik tipga tеgishli, tartibi birga tеng
№55 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
2
2
2
0
xy
x
y
u
u
u
u
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi uchga tеng
Parabolik tipga tеgishli, tartibi birga tеng;
Elliptik tipga tеgishli, tartibi birga tеng
№56 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
2
2
5
0
xx
xy
yy
x
y
u
u
u
u
xu
yu
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Elliptik tipga tеgishli, tartibi birga tеng
№57 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
4
4
2
3
0
xx
xy
yy
x
u
u
u
xyu
xu
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi uchga tеng
№58 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
2
3
sin
0
y
xy
y
u
x u
y
x u
xe
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi birga tеng
Elliptik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
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