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Byju's Answer
Standard X
Mathematics
Relationship Between Zeroes and Coefficients of a Quadratic Polynomial
Write a quadr...
Question
Write a quadratic polynomial whose zeroes are
2
and
−
6
.
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Solution
⇒
Given zeros are
α
=
2
and
β
=
−
6
.
⇒
Sum of zeros
=
α
+
β
=
2
+
(
−
6
)
=
−
4
⇒
Product of zeros
=
α
×
β
=
2
×
(
−
6
)
=
−
12
⇒
Quadratic polynomial
=
x
2
−
(
α
+
β
)
x
+
(
α
×
β
)
⇒
Quadratic polynomial
=
x
2
−
(
−
4
)
x
+
(
−
12
)
∴
Quadratic polynomial
=
x
2
+
4
x
−
12
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