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Byju's Answer
Standard IX
Mathematics
Polynomials
The expressio...
Question
The expression
x
3
+
2
is a
polynomial.
A
trinomial
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B
quadratic
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C
cubic
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Solution
The correct option is
C
cubic
A polynomial can be named on the basis of their degree or on basis of the number of terms.
Since the degree of the polynomial
x
3
+
2
is 3, it is called a cubic polynomial.
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Similar questions
Q.
The expression
x
3
+
2
is a
polynomial.
Q.
Let
x
1
,
x
2
,
x
3
b
e
3
roots of the cubic
x
3
−
x
−
1
=
0
then the expression
x
1
(
x
2
−
x
3
)
2
+
x
2
(
x
3
−
x
1
)
2
+
x
3
(
x
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x
2
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equal a rational number. Find the absolute value of the number.
Q.
2
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2
−
2
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is a polynomial.
Q.
The expression
[
x
+
(
x
3
−
1
)
1
/
2
]
5
+
[
x
−
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x
3
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)
1
/
2
]
5
is a polynomial of degree:
Q.
If the cubic equation
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−
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can be factorised into
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y
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