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Byju's Answer
Standard X
Mathematics
Relationship between Zeroes and Coefficients of a Polynomial
If α and ...
Question
If
α
and
β
are the zeroes of a polynomial such that
α
+
β
=
6
and
α
β
=
4
then write the quadratic polynomial.
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Solution
Given that,
α
+
β
=
6
And
α
β
=
4
The quadratic polynomial whose zeroes are
α
,
β
is,
f
(
x
)
=
k
[
x
2
−
(
α
+
β
)
x
+
α
β
]
=
k
[
x
2
−
6
x
+
4
]
Where
′
k
′
is any non zero real number
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If α, β are the zeros of a polynomial such that α + β = −6 and αβ = −4, then write the polynomial.