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Byju's Answer
Standard XII
Mathematics
Squaring an Inequality
Write each of...
Question
Write each of the following sets as intervals :
1. {x belongs to R : 1
>
2x - 3
>
0 }
2. {x belongs to R : 3/2 < 2 + 3x < 5 }
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Solution
1
)
1
≥
2
x
-
3
≥
0
4
≥
2
x
≥
3
2
≥
x
≥
3
2
S
o
x
∈
3
2
,
2
2
)
3
2
<
2
+
3
x
<
5
3
2
-
2
<
3
x
<
5
-
2
-
1
6
<
x
<
1
x
∈
-
1
6
,
1
Suggest Corrections
0
Similar questions
Q.
Are the following equivalent?
1)x belongs to R-(-1,3)
2)x belongs to (- infinity to -1) union of [3,infinity)
3)x <= to -1 or x >=3.
can someone provide me detail explanation
Q.
Write the following set as interval:
{
x
∈
R
:
1
≥
2
x
−
3
≥
o
}
Q.
If
f
:
R
→
R
given by
f
(
x
)
=
x
3
+
(
a
+
2
)
x
2
+
3
a
x
+
5
is one-one, then
a
belongs to the interval
Q.
If
(
λ
2
+
λ
−
2
)
x
2
+
(
λ
+
2
)
x
<
1
for all
x
∈
R
, then
λ
belongs to the interval
Q.
If
n
−
1
C
r
=
(
k
2
−
3
)
n
C
r
+
1
,
then k belongs to the interval
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