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Byju's Answer
Standard XII
Mathematics
Graph of Quadratic Expression
The product o...
Question
The product of the roots of equation
2
m
2
−
8
m
=
0
is
A
4
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B
2
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C
0
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D
−
8
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Solution
The correct option is
D
0
Given equation is
2
m
2
−
8
m
=
0
⟹
m
2
−
4
m
=
0
⟹
m
2
−
4
m
+
4
−
4
=
0
⟹
(
m
−
2
)
2
−
2
2
=
0
⟹
(
(
m
−
2
)
+
2
)
(
(
m
−
2
)
−
2
)
=
0
⟹
m
(
m
−
4
)
=
0
⟹
m
=
4
o
r
m
=
0
∴
product of
0
and
4
=
0
×
4
=
0
Hence, option C is correct.
Suggest Corrections
0
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