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Byju's Answer
Standard IX
Mathematics
Polynomial and Its General Form
Find the Quad...
Question
Find the Quadratic Polynomial whose sum of zeroes is
−
3
2
and product is -1
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Solution
Given sum of zeroes
=
α
+
β
=
−
b
a
=
−
3
2
Product of zeroes
=
α
⋅
β
=
c
a
=
−
1
Polynomial:
p
(
x
)
=
x
2
−
(
α
+
β
)
x
+
α
β
⇒
p
(
x
)
=
x
2
+
3
2
x
+
(
−
1
)
=
0
⇒
p
(
x
)
=
2
x
2
+
3
x
−
1
=
0
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5
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Q.
Find a quadratic polynomial whose sum and product of its zeroes is
1
,
−
4
respectively.
Q.
Find the quadratic polynomial, the sum of whose zeros is
5
2
and their product is 1. Hence, find the zeros of the polynomial.
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