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Manipal Entrance Test 2017 Math Paper
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© examsnet.com
Question : 50
Total: 70
If the product of roots of the equation
m
x
2
+
6
x
+
(
2
m
−
1
)
=
0
is
−
1
,
then the value of
m
is
1
-1
1
3
−
1
3
Validate
Solution:
Product of roots of equation is
2
m
−
1
m
=
(
−
1
)
given
⇒
2
m
−
1
=
−
m
⇒
3
m
=
1
⇒
m
=
1
3
© examsnet.com
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