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Byju's Answer
Standard X
Mathematics
Quadratic Formula
If α and ...
Question
If
α
and
β
are the zeros of the quadratic polynomial such that
α
+
β
=
24
and
α
−
β
=
8
find a quadratic polynomial having a
α
and
β
as its zeros.
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Solution
α
+
β
=
24
⟶
(
i
)
α
−
β
=
8
⟶
(
i
i
)
Adding
(
i
)
and
(
i
i
)
∴
2
α
=
32
α
=
16
β
=
8
∴
roots are
16
and
8
Sum
=
24
Product=
128
∴
f
(
x
)
=
K
(
x
2
−
24
x
+
128
)
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Similar questions
Q.
If
α
and
β
are zeros of a quadratic polynomial such that
α
+
β
=
24
and
α
−
β
=
8
find a quadtratic polynomial having
α
and
β
as it's zeros.
Q.
Let
α
&
β
be the zeros of a polynomial p(x). If
α
+
β
=
24
&
α
−
β
=
8
,
then find quadratic polynomial.
Q.
If
α
and
β
are the zeros of the quadratic polynomial
f
(
x
)
=
x
2
−
1
, find a quadratic polynomial whose zeros are
2
α
β
and
2
β
α
.
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