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Question
Mathematics
If A = x ϵ R: |x| < 2 and B= x ϵ R: |x-2| ge 3 then :
Q. If
A
=
{
x
ϵ
R
:
∣
x
∣
<
2
}
and
B
=
{
x
ϵ
R
:
∣
x
−
2
∣
≥
3
}
;
then :
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JEE Main 2020
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A
A
−
B
=
[
−
1
,
2
)
25%
B
B
−
A
=
R
−
(
−
2
,
5
)
29%
C
A
∪
B
=
R
−
(
2
,
5
)
28%
D
A
∩
B
=
(
−
2
,
−
1
)
19%
Solution:
A
:
x
∈
(
−
2
,
2
)
;
B
:
x
∈
(
−
∞
,
−
1
]
∪
[
5
,
∞
)
⇒
B
−
A
=
R
−
(
−
2
,
5
)