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Byju's Answer
Standard IX
Mathematics
Factor of Polynomials
If 2 and 3 ar...
Question
If 2 and 3 are zeroes of
a
x
2
+
b
x
+
c
,
then which of the following holds true?
A
a
x
2
+
b
x
+
c
=
(
x
−
2
)
(
x
+
3
)
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B
a
x
2
+
b
x
+
c
=
k
(
x
−
2
)
(
x
−
3
)
where
k
≠
0
and is any real number.
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C
a
x
2
+
b
x
+
c
=
k
(
x
+
2
)
(
x
−
3
)
where
k
≠
0
and is any real number.
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D
a
x
2
+
b
x
+
c
=
k
(
x
+
2
)
(
x
+
3
)
where
k
≠
0
and is any real number.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
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Solution
The correct option is
B
a
x
2
+
b
x
+
c
=
k
(
x
−
2
)
(
x
−
3
)
where
k
≠
0
and is any real number.
Suggest Corrections
0
Similar questions
Q.
If 2 is a zero of the polynomial
p
(
x
)
=
x
3
−
a
x
2
+
b
x
+
c
,
then which of the following equations is true?
Q.
If the zeroes of a quadratic polynomial
a
x
2
+
b
x
+
c
are both negative, then which of the following is always correct
Q.
Question 2 (i)
Are the following statements ‘True’ or False’? Justify your answer.
i) If the zeroes of a quadratic polynomial
a
x
2
+
b
x
+
c
are positive then a, b and c all have the same sign.
Q.
If all three zeroes of a cubic polynomial
x
3
+
a
x
2
+
b
x
+
c
are positive, then which of the following is correct about
a
,
b
and
c
?
Q.
Question 2 (vi)
Are the following statements ‘True’ or False’? Justify your answer.
vi) If all three zeroes of a cubic polynomial
x
3
+
a
x
2
–
b
x
+
c
are positive, then atleast one of a, b and c is non - negative.
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