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Byju's Answer
Standard XII
Mathematics
Special Integrals - 1
For real valu...
Question
For real values of
x
,
2
x
2
+
5
x
−
3
>
0
, if-
A
x
<
−
2
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B
x
>
0
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C
x
∈
(
−
∞
,
−
3
)
U
(
1
2
,
∞
)
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D
none of these
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Solution
The correct option is
C
x
∈
(
−
∞
,
−
3
)
U
(
1
2
,
∞
)
2
x
2
+
5
x
−
3
>
0
2
x
2
+
6
x
−
x
−
3
>
0
2
x
(
x
+
3
)
−
1
(
x
+
3
)
>
0
(
x
+
3
)
(
x
−
1
2
)
>
0
∴
x
∈
(
−
∞
,
−
3
)
U
(
1
2
,
∞
)
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0
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Q.
If
2
x
2
−
6
x
+
4
4
x
2
−
10
x
+
3
=
x
2
−
3
x
2
x
2
−
5
x
, value of x is
for
x
≠
0.