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Byju's Answer
Standard X
Mathematics
Division Algorithm for a Polynomial
Find all the ...
Question
Find all the zeros of the polynomial
2
x
3
+
x
2
−
6
x
−
3
, if two of its zeros are
−
√
3
and
√
3
A
Third zero
=
−
1
2
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B
Third zero
=
1
2
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C
Third zero
=
−
3
2
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D
Third zero
=
3
2
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Solution
The correct option is
A
Third zero
=
−
1
2
Let
f
(
x
)
=
2
x
3
+
x
2
−
6
x
−
3
The zeros are
−
√
3
and
√
3
Let the other zero be
α
=
α
(
−
√
3
)
(
√
3
)
=
−
(
−
3
)
2
=
>
−
3
α
=
3
2
=
>
α
=
−
1
2
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0
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then find its third zero.
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