8 de kiem tra 1 tiet toan 11 doc

KIM TRA 1 TIT
Đê
Câu 1

n n
n n
3
3 2
2 3 1
lim
2 1
+ +
+ +

x
x
x
0
1 1
lim
→
+ −

Câu 2
x x
khi x
f x
x
m khi x
2
1

( )
1
1

−

≠
=

−

=

x
Câu 3 !"#$%&
x x x
5 4 3
5 3 4 5 0− + − =
'(
Câu 4 )!*(+, '+-/0'
/1 /
ABC∆
/0., 23
. 
⊥
1+ 
45-6#7)
SAB∆
, 23-6
⊥


1+. 
KIM TRA 1 TIT
Đê
Câu 1

x
x
x x
2
3
3
lim
2 15
→
−
+ −

x
x
x
1
3 2
lim
1
→
+ −
−
Câu 2
x x

khi x
f x
x
a khi x
2
2
1
( )
1
1 1

− −

≠ −
=

+

+ =

x8
Câu 3 !"#$%&
x x x
5 2
2 1 0− − − =
'(,
Câu 4 )&'"+, 9': 9
&);<,45=>?@#A% >
. ,.B+.+9>+-+ , 23
+<

⊥
1 9
=?
⊥
1+.9
KIM TRA 1 TIT
Đê
Câu 1

n n
n
3 2
3
2 4
lim
2 3
+ +
−

x
x
x
1
2 3
lim
1
+
→
−
−

Câu 2
x a khi x
f x
x x khi x
2
2 0
( )
1 0

+ <
=

+ + ≥

xC
Câu 3 !"#$%&
x x x
5 2
2 1 0− − − =
'(,
Câu 4 )D Ea,
%#7F/0'/G"F
1 .>H:I2))2.
Ja,45=%. ,
 !%E-=⊥12. 
'A"K#7F=2/G
"F1 
KIM TRA 1 TIT
Đê
Câu 1


x
x x
x
2
3
1
3 2 1
lim
1
→
− −
−

x
x
x
3
3
lim
3
−
→
+
−
Câu 2
x x
khi x
x
f x

khi x
2
2 3 2
2
2 4
( )
3
2
2

− −
≠


−
=


=



x
0
2=
Câu 3 !"#$%&
x x
2
cos 0− =
'(,

Câu 4 )&'"+, 9': 9
&/0Ea/+-⊥1 9
 !.9⊥+
 )+-
a 6
3
,'L+ /"1 9
KIM TRA 1 TIT
Đê
Câu 1

x
x x
x x
2
3
2
3 2
lim
2 4
→
− +
− −

( )
x
x x x
2
lim 2 1
→+∞

+ − −
Câu 2
x x
khi x
f x
x
khi x
2
2 3 1
1
( )
2 2
2 1

− +

≠
=

−

=


x
0
1=
Câu 3 !"#$%&
m x m x
5 2 4

(9 5 ) ( 1) 1 0− + − − =
'(,
KIM TRA 1 TIT
Đê
Câu 1

x
x
x
3
0
( 2) 8
lim
→
− +

( )
x
x xlim 1
→+∞
+ −
Câu 2
x x
khi x
f x
x
x khi x
3 ² 2 1
1
( )

1
2 3 1

− −

>
=

−

+ ≤


x
0
1=
Câu 3 !"#$%&
x x x
4 2
2 4 3 0+ + − =
'HJ(I(8M
Câu 4 )&'"!D+, 9,
452>N@#A%+-/+
 !- ⊥+9
 !2N⊥1+.9
)
Câu 4 )!*( 9' >- >-90I
/0'/,456;#7)/OP
-- 9
 ! 9⊥.6

45Q;#7)/OP-
6, !-Q⊥1. 9,
KIM TRA 1 TIT
Đê
Câu 1

x
x x
x
3 2
1
2 3 1
lim
1
→−
+ −
+

( )
x
x x x
2
lim 1
→+∞
+ + −
Câu 2
x
khi x
f x
x x

khi x
2( 2)
2
( )
² 3 2
2 2

−

≠
=

− +

=


x
0
2=
Câu 3 !"#$%&
x x
5
3 1− =
'HI(I(MJ)
Câu 4 )&'"+, ': 
DE>+-⊥1 >+-
a 3
452%. , !
%E. ⊥1+-2

'LG"F1+. /
1 ,
KIM TRA 1 TIT
Đê
Câu 1

x
x x
x
2
3
4 3
lim
3
→
− +
−

( )
x
x x
2
lim 1 1
→−∞
+ + −
Câu 2
x x x
khi x
f x
x

khi x
³ ² 2 2
1
( )
1
4 1

− + −

≠
=

−

=


x
0
1=
Câu 3 !"#$%&
x x x
4 3 2
3 2 1 0− + − =
'H(I
R)S18M
Câu 4 )&'"+, 9': 9
&/0aM+-⊥1 9>
SA a 2=
,452

/N@#A&B-%
#7F+./+9, !%E
2NTT.9
+ ⊥1-2N