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Question
Mathematics
If the product of the roots of the equation mx2 + 6x + (2m - 1) = 0 is -1, then the value of m is
Q. If the product of the roots of the equation
m
x
2
+
6
x
+
(
2
m
−
1
)
=
0
is -1, then the value of
m
is
1400
210
Complex Numbers and Quadratic Equations
Report Error
A
1
14%
B
−
1
8%
C
3
1
60%
D
−
3
1
18%
Solution:
Product of the roots =
m
2
m
−
1
=
−
1
⇒
2
m
−
1
=
−
m
⇒
3
m
=
1
⇒
m
=
3
1