~ ?yvD ?Dy
? 2 ?
ArE5
~ ?yvD ?Dy
ArE5???
T3E?#B a,
0
0
∞
∞
?l
.
0
0
)(
)(
lim
)()(
)(
)(
???
Tèü??K?1
Y V
i a9 V
?iK
v
*
?t?
,?t?íkD
H
?f
?T?
∞
∞
∞→→
∞→
→
xF
xf
xFxf
xax
x
ax
è?,
,
tan
lim
0
x
x
x→
,
sinln
sinln
lim
0
bx
ax
x→
)
0
0
(
)(
∞
∞
~ ?yvD ?Dy
.
)(
)(
lim
)(
)(
lim
);(
)(
)(
lim)3(;0)(
)()(,)2(;)()(,)1(
xF
xf
xF
xf
xF
xf
xF
xFxfa
xFxfax
axax
ax
′
′
=
′
′
≠
′
′′
→
→→
→
*
1íkvi
O
?i#?¥
??
#×
=
?t?
,#f
H?
!
? ?
?l ??B?Hq/YVs0s
sYp?
pK ?????
T¥′¥ZE?1
ArE5
~ ?yvD ?Dy
£ ?l£ùf
,
,0
),(
)(
1
=
≠
=
ax
axxf
xf,
,0
),(
)(
1
=
≠
=
ax
axxF
xF
,),(
0
xaU
=?|B? δ,1
?¥uW
D[ xa
,)(),(
11
q
@ O?′? ?¥HxFxf 5μ
)()(
)()(
)(
)(
11
11
aFxF
afxf
xF
xf
=
)(
)(
ξ
ξ
F
f
′
′
=
)( -WD axξ
,,aax →→ ξ
H?
,
)(
)(
lim A
xF
xf
ax
=
′
′
→
Q
,
)(
)(
lim A
F
f
a
=
′
′
∴
→
ξ
ξ
ξ
.
)(
)(
lim
)(
)(
lim A
F
f
xF
xf
aax
=
′
′
=∴
→→
ξ
ξ
ξ
~ ?yvD ?Dy
.,?E5ˉ?? ?
H? ∞→x
P¨
ArE5'? ?¥Hq V[??
@?Oˉ
?T )(),(
0
0
)(
)(
xFxf
xF
xf
′′
′
′
.
)(
)(
lim
)(
)(
lim
)(
)(
lim L=
′′
′′
=
′
′
=
→→→
xF
xf
xF
xf
xF
xf
axaxax
.
)(
)(
lim
)(
)(
lim
xF
xf
xF
xf
xx
′
′
=
∞→∞→
.,,9μM?¥
ArE5
H¥??
T?
∞
∞
∞→→ xax
~ ?yvD ?Dy
è
? 2 ?
ArE5
~ ?yvD ?Dy
ArE5???
T3E?#B a,
0
0
∞
∞
?l
.
0
0
)(
)(
lim
)()(
)(
)(
???
Tèü??K?1
Y V
i a9 V
?iK
v
*
?t?
,?t?íkD
H
?f
?T?
∞
∞
∞→→
∞→
→
xF
xf
xFxf
xax
x
ax
è?,
,
tan
lim
0
x
x
x→
,
sinln
sinln
lim
0
bx
ax
x→
)
0
0
(
)(
∞
∞
~ ?yvD ?Dy
.
)(
)(
lim
)(
)(
lim
);(
)(
)(
lim)3(;0)(
)()(,)2(;)()(,)1(
xF
xf
xF
xf
xF
xf
xF
xFxfa
xFxfax
axax
ax
′
′
=
′
′
≠
′
′′
→
→→
→
*
1íkvi
O
?i#?¥
??
#×
=
?t?
,#f
H?
!
? ?
?l ??B?Hq/YVs0s
sYp?
pK ?????
T¥′¥ZE?1
ArE5
~ ?yvD ?Dy
£ ?l£ùf
,
,0
),(
)(
1
=
≠
=
ax
axxf
xf,
,0
),(
)(
1
=
≠
=
ax
axxF
xF
,),(
0
xaU
=?|B? δ,1
?¥uW
D[ xa
,)(),(
11
q
@ O?′? ?¥HxFxf 5μ
)()(
)()(
)(
)(
11
11
aFxF
afxf
xF
xf
=
)(
)(
ξ
ξ
F
f
′
′
=
)( -WD axξ
,,aax →→ ξ
H?
,
)(
)(
lim A
xF
xf
ax
=
′
′
→
Q
,
)(
)(
lim A
F
f
a
=
′
′
∴
→
ξ
ξ
ξ
.
)(
)(
lim
)(
)(
lim A
F
f
xF
xf
aax
=
′
′
=∴
→→
ξ
ξ
ξ
~ ?yvD ?Dy
.,?E5ˉ?? ?
H? ∞→x
P¨
ArE5'? ?¥Hq V[??
@?Oˉ
?T )(),(
0
0
)(
)(
xFxf
xF
xf
′′
′
′
.
)(
)(
lim
)(
)(
lim
)(
)(
lim L=
′′
′′
=
′
′
=
→→→
xF
xf
xF
xf
xF
xf
axaxax
.
)(
)(
lim
)(
)(
lim
xF
xf
xF
xf
xx
′
′
=
∞→∞→
.,,9μM?¥
ArE5
H¥??
T?
∞
∞
∞→→ xax
~ ?yvD ?Dy
è