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Byju's Answer
Standard X
Mathematics
Quadratic Formula
Find the root...
Question
Find the roots of the following quadratic equation by using the quadratic formula
2
x
2
−
2
√
2
x
+
1
=
0
A
−
1
√
2
,
1
√
2
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B
1
√
2
,
1
√
2
.
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C
−
1
2
,
1
2
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D
None of these
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Solution
The correct option is
B
1
√
2
,
1
√
2
.
2
x
2
−
2
√
2
x
+
1
=
0
2
x
2
−
√
2
x
−
√
2
x
+
1
=
0
√
2
x
(
√
2
x
−
1
)
−
1
(
√
2
−
1
)
=
0
(
√
2
x
−
1
)
2
=
0
x
=
1
√
2
,
1
√
2
Suggest Corrections
2
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