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BÀI TẬP CÓ LỜI GIẢI TOÁN A2

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BÀI TẬP CÓ LỜI GIẢI
TOÁN A2
Câu 231


=
u

!"

=
u

#"$

+= m
u

%#

=
u
&'













+
%#
#"$
!"

m















+
"!
$"!
"!


m















!!!
!!
"!

m
















!!!
!!!
"!

m
()*
r
A

+'
('
Câu 232


=
u

%

m
u
=

,#"


+= m
u

"%

+= m
u
&'












+
+
"%
,#"
%

m
m
m


















!
!
!

m
m
m


















!


!


!
!

m
()*
r
A


-/0123
m

*

r
A



(
m

Câu 23345
u ' 66v' w' !6
&'










+
++
!


m
mm














+
++
!


m
mm














+
++
!
!

m
mm
mm
A
'

()45*
A

!



!
(

!
Câu 234:45
u' 6 v'  w' 6766
&'











+++
+



mmm
m
m














mm
m

mm
!

!

A⇒
' 

8

()45*
A

!


9!≠


89
≠
(
!≠
9
−≠
9
≠
Câu 235: 45
u' v' w' !!
&'











!!







m
m
m














!!







m
m
m











−−−

m
m

m
!




!

!
!


()45*
r
A
'
:;'!

r
A
'
:;'

r
A
'
<5
m∀
*
r

A
'
(
m∀
Câu 236:45
u' v' w' 6!!
&'










+ !!








m
m
m












+

!!








m
m
m












−−

m
m
m
!



!

!
!

()45*
r
A
'
=;'!
〈=⇒
r
A
=;'
=⇒
r

A
(
!≠
Câu237:45
u'  v' w' 6!!
&'










+ !!







m
m
m
m












−−
−→
m
m
m
m
!



!

!
!

()45*
r
A
'
:;'
=

r
A
4>?;
:;'!
=
r
A
4>?;
(

!9


Câu 23845
u' v' 8 w' !"8"
&'













m

m
m
"


"


!















!
!
$


!

!

!
!
 m








!

!

!
 m
()45*
r
A
'
@/
m

*
=
r
A




Φ∈
(
Φ∈
Câu239 45


=
u

"%

=
u

%#

m
u
=



−=
u
&'














m%#
"%















−−





"!
!%"!
!%"!

m















m$
!

!
%

!

"

!
!

()45*
=
r
A
@/
m

*
〈
r
A
Φ∈⇒ m
(
Φ∈
Câu 240/>?>/AB
R


  ! !!C  ! 
  "$ %#,-   
(
Câu 241*?>/AB


R

u' v' !w' !
(;D=;))?>/AB
R

4/)EFG;45

&'










!
!

m
m
m

A⇒
' 8



EF45*

!≠A


!≠
9
≠
9
−≠
(

!



8
Câu 242H*?>/AB


R
u' v' w' 
(;D=;))?>/AB
R

4/)EFG;45

&'











m
m
m














−−

!


mm
m

m
=⇒ A
 8

6

EF45*
!≠A



9
−≠
(



8
Câu243:H*?>/AB


R
u' v' 66w' $
(;D=;))?>/AB
R

4/)G;45
&'











++
$


mmm











++→
!!


mmm
=⇒ A

8
!≠
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