Quyidagi tеnglamaning tipi va tartibini aniqlang:
4
4
2
3
0
xx
xy
yy
x
y
u
u
u
u
u
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi birga tеng;
Elliptik tipga tеgishli, tartibi birga tеng
№94 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
5
4
3
0
yy
x
y
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
№95 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
3
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
№96 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
2
3
0
xx
xy
yy
x
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
№97 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
6
3
2
2
0
xx
xy
yy
y
x
u
u
u
u
xyu
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi uchga tеng
№98 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
0
xy
y
x
u
u
u
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi birga tеng
Elliptik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
№99 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tеnglamaning tipi va tartibini aniqlang:
5
4
3
2
0
xx
yx
yy
y
x
u
u
u
u
u
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Parabolik tipga tеgishli, tartibi birga tеng
№100 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi
2
0
xx
xy
yy
y
x
u
u
u
u
u
u
tеnglamaning tipi va tartibini aniqlang
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Elliptik tipga tеgishli, tartibi birga tеng
Elliptik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
№101 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi
4
5
6
0
x
xx
yy
xy
y
u
u
u
u
e u
tеnglamaning tipi va tartibini aniqlang
Elliptik tipga tеgishli, tartibi ikkiga tеng
Gipеrbolik tipga tеgishli, tartibi ikkiga tеng
Parabolik tipga tеgishli, tartibi ikkiga tеng;
Gipеrbolik tipga tеgishli, tartibi birga tеng
№102 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Tenglamaning kanonik tenglamasini aniqlang:
0
32
5
2
u
u
u
u
yy
xy
xx
0
8
v
v
v
8
v
v
v
0
8
v
v
0
32
v
v
№103 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
9
yy
xx
u
u
tenglama xarakteristikalarini aniqlang?
const
x
y
3
,
const
x
y
3
const
x
y
2
,
const
x
y
2
const
x
y
2
,
const
x
y
2
const
x
y
3
,
const
x
y
3
№104 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
4
yy
xx
u
u
tenglama xarakteristikalarini aniqlang?
const
x
y
2
,
const
x
y
2
const
x
y
2
,
const
x
y
2
const
x
y
3
,
const
x
y
3
const
x
y
3
,
const
x
y
3
№105 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
4
yy
xx
u
u
tenglama xarakteristikalarini aniqlang?
const
x
y
2
,
const
x
y
2
const
x
y
2
,
const
x
y
2
const
x
y
3
,
const
x
y
3
const
x
y
3
,
const
x
y
3
№106 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
2
2
yy
xx
u
y
u
x
tenglama nechta haqiqiy xarakteristikaga ega ?
Ikkita
Bitta
Cheksiz ko’p
Mavjud emas
№107 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
2
2
yy
xx
u
y
u
x
tenglama nechta haqiqiy xarakteristikaga ega ?
Mavjud emas
Ikkita
Cheksiz ko’p
Bitta
№108 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
2
2
yy
xx
u
y
u
x
tenglama qaysi tipga tegishli.
elliptik
0
x
va
0
y
da giperbolik,
0
x
va
0
y
da elliptik
Parabolik
giperbolik
№109 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
5
2
yy
xy
xx
u
u
u
tenglamaning nechta haqiqiy xarakteristikasi mavjud?
Mavjud emas
2
3
1
№110 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
2
yy
xy
xx
u
u
u
tenglamaning nechta haqiqiy xarakteristikasi mavjud?
1
2
3
0
№111 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
3
5
2
yy
xy
xx
u
u
u
tenglamaning nechta haqiqiy xarakteristikasi mavjud?
2
1
3
0
№112 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
3
5
2
yy
xy
xx
u
u
u
tenglamaning xarakteristikalari qaysi javobda to’g’ri ko’rastilgan?
,
3
2
x
y
const
x
y
const
,
3
2
x
y
const
x
y
const
,
3
2
x
const
x
y
const
,
x
y
const
y
const
№113 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
( , )
2 ( , )
( , )
( , , ,
,
)
xx
xy
yy
x
y
a x y u
b x y u
c x y u
x y u u u
tenglamaning xarakteristik tenglamasi qaysi javobda to`g‘ri ko`rsatilgan.
2
2
( , )
2 ( , )
( , )
0
a x y dy
b x y dxdy
c x y dx
2
2
11
12
22
2
0
x
x
y
x
a
a
a
2
2
( , )
2 ( , )
( , )
0
a x y dx
b x y dxdy c x y dy
2
2
( , )
2 ( , )
( , )
0
a x y dy
b x y dxdy
c x y dx
№114 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
0
3
5
2
yy
xy
xx
u
u
u
tenglamaning xarakteristik tenglamasi qaysi javobda to’g’ri ko’rastilgan?
0
3
5
2
2
2
dx
dxdy
dy
0
3
5
2
2
2
dx
dxdy
dy
2
2
3
5
2
dx
dxdy
dy
2
2
3
5
2
dx
dxdy
dy
№115 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
2
3
0
xx
xy
yy
u
u
u
u
tenglama qaysi tipga tegishli?
giperbolik
0
x
da giperbo-lik,
0
x
da elliptik
Parabolik
Elliptik
№116 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
0
xx
yy
u
yu
tenglama elliptik tipga tegishli bo`ladigan sohani aniqlang?
R
x
y
,
0
R
x
y
,
0
0
,
0
x
y
0
,
0
x
y
№117 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
0
xx
yy
u
yu
tenglama giperbolik tipga tegishli bo`ladigan sohani aniqlang?
R
x
y
,
0
R
x
y
,
0
0
,
0
x
y
R
x
R
y
,
№118 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-2;
Quyidagi tenglamaning
2
32
0
xx
xy
yy
u
u
u
u
xarakteristik tenglamasi qaysi javobda to`g‘ri ko`rsatilgan:
1
dx
dy
3
dx
dy
2
dx
dy
1
dx
dy
№119 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
2
0
xx
tt
a u
u
bir jinsli tor tebranish tenglamasining xarakteristikalarini aniqlang.
1
C
at
x
,
2
C
at
x
1
C
t
ax
,
2
C
t
ax
2
2
C
at
x
2
2
C
at
x
№120 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-3;
Bir o‘lchovli Laplas tenglamasini ko‘rsating
0
2
2
dx
u
d
0
2
2
2
2
y
u
x
u
0
2
2
2
2
2
2
z
u
y
u
x
u
g
dx
u
d
2
2
№121 Fan bobi-1; Fan bo`limi-1; Qiyinlik darajasi-1;
Ikki o‘lchovli Laplas tenglamasini ko‘rsating
0
2
2
2
2
y
u
x
u
0
2
2
x
u
0
2
2
2
2
2
2
z
u
y
u
x
u
g
x
u
2
2
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