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Byju's Answer
Standard XII
Mathematics
Properties of Inequalities
Number of int...
Question
Number of integral values of
x
2
if
x
∈
(
−
3
,
2
]
is
Open in App
Solution
Here
x
∈
(
−
3
,
2
]
Splitting into intervals
x
∈
(
−
3
,
0
)
∪
[
0
,
2
]
For
x
∈
(
−
3
,
0
)
x
2
∈
(
0
,
9
)
For
x
∈
[
0
,
2
]
⇒
x
2
∈
[
0
,
4
]
∴
x
2
∈
[
0
,
9
)
So, number of integral values of
x
2
is
9
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Properties of Inequalities
Standard XII Mathematics
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