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Byju's Answer
Standard VII
Mathematics
Comparision of Quantities Using Exponents
For what valu...
Question
For what values of
m
is the inequality
x
2
−
m
x
−
2
x
2
−
3
x
+
4
>
−
1
satisfied for all
x
ϵ
R
?
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Solution
x
2
−
m
x
−
2
x
2
−
3
x
+
4
>
1
for all
x
∈
R
x
2
−
m
x
−
2
>
−
x
2
+
3
x
−
4
2
x
2
−
(
m
+
3
)
x
+
2
>
0
∴
△
<
0
(
m
+
3
)
2
−
4.2.2
<
0
m
2
+
6
m
+
9
−
16
<
0
m
2
+
6
m
−
7
<
0
(
m
+
7
)
(
m
−
1
)
<
0
m
∈
(
−
7
,
1
)
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Similar questions
Q.
For what values of
m
is the inequality
∣
∣
∣
x
2
+
m
x
+
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2
+
x
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∣
∣
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<
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Q.
Find all real values of
m
for which the inequality
m
x
2
−
4
x
+
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1
>
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For what values of
k
is the inequality
x
2
−
(
k
−
3
)
x
−
k
+
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>
0
valid for all real
x
?
Q.
If the inequality
m
x
2
+
3
x
+
4
x
2
+
2
x
+
2
<
5
is satisfied for all
x
∈
R
,
then which one of following is correct ?
Q.
If the inequality
(
m
−
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)
x
2
+
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x
+
m
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>
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is satisfied for all
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ϵ
R
, then least integral m is
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Standard VII Mathematics
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