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Byju's Answer
Standard XII
Mathematics
Nature of Roots
Find all the ...
Question
Find all the zeros of the polynomial
2
x
4
−
3
x
3
−
3
x
2
+
6
x
−
2
if you know that two of its zeros are
√
2
and
−
√
2
.
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Solution
Given
√
2
and
−
√
2
are two roots
⇒
x
2
−
2
=
0
x
2
−
2
)
¯
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
¯
2
x
4
−
3
x
3
−
3
x
2
+
6
x
−
2
(
2
x
2
−
3
x
+
1
(
−
)
2
x
4
−
4
x
2
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
−
3
x
3
+
x
2
+
6
x
−
2
−
3
x
3
+
6
x
(
−
)
(
−
)
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
x
2
−
2
x
2
−
2
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
0
∴
2
x
2
−
3
x
+
1
=
0
is other equation having two roots
i
.
e
,
2
x
2
−
2
x
−
x
+
1
=
0
2
x
(
x
−
1
)
−
1
(
x
−
1
)
=
0
x
=
1
/
2
and
x
=
1
Suggest Corrections
2
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