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Byju's Answer
Standard XII
Mathematics
Absolute Value Function
If | |x|-27 -...
Question
If
∣
∣
∣
|
x
|
−
2
7
−
2
|
x
|
∣
∣
∣
=
1
, then
x
can be
A
2
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B
−
3
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C
−
4
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D
5
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Solution
The correct option is
D
5
∣
∣
∣
|
x
|
−
2
7
−
2
|
x
|
∣
∣
∣
=
1
Case
−
1
:
|
x
|
−
2
7
−
2
|
x
|
=
1
⇒
|
x
|
−
2
=
7
−
2
|
x
|
⇒
3
|
x
|
=
9
⇒
|
x
|
=
3
⇒
x
=
−
3
,
3
Case
−
2
:
|
x
|
−
2
7
−
2
|
x
|
=
−
1
⇒
|
x
|
−
2
=
−
7
+
2
|
x
|
⇒
5
=
|
x
|
⇒
x
=
+
5
,
−
5
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