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Byju's Answer
Standard X
Mathematics
Relationship between Zeroes and Coefficients of a Polynomial
If α, β are...
Question
If
α
,
β
are the zeros of polynomial
f
(
x
)
=
x
2
−
p
(
x
+
1
)
−
c
, then
(
α
+
1
)
(
β
+
1
)
=
A
c
−
1
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B
1
−
c
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C
c
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D
1
+
c
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Solution
The correct option is
B
1
−
c
f
(
x
)
=
x
2
−
p
x
−
p
−
c
α
+
β
=
+
p
α
β
=
−
p
−
c
(
α
+
1
)
(
β
+
1
)
=
α
β
+
α
+
β
+
1
=
1
−
c
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Similar questions
Q.
If α, β are the zeros of polynomial f(x) = x
2
− p (x + 1) − c, then (α + 1) (β + 1) =
(a) c − 1
(b) 1 − c
(c) c
(d) 1 + c