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Byju's Answer
Standard IX
Mathematics
Linear Equation in 2 Variables
In the follow...
Question
In the following, determine the value of
k
for which the given value is a solution of the equation.
3
x
2
+
2
k
x
−
3
=
0
,
x
=
−
1
2
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Solution
Since
x
=
−
1
2
is a root of the given equation. So, it satisfies the equation
i.e.,
3
(
−
1
2
)
2
+
2
k
(
−
1
2
)
−
3
=
0
⇒
3
4
−
k
−
3
=
0
⇒
k
=
−
9
4
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0
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