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Which one of the following can be an example of a cubic polynomial?

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x^{2} - x

x^{4} + x³

x^{3} = 0

x^{5} + x^{4} + x^{3} + x²

answer is C.

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Detailed Solution

Concept- In order to solve the given question, the problem requires the concept of cubic equations and polynomials. cubic equation is an equation with degree 3, that is, highest power of x in equation is 3
Here,

A cubic polynomial is a polynomial with degree 3 .

Thus,

The highest degree is 3 .

Therefore,

x^{3} = 0

The above polynomial represents a cubic polynomial.
So, the correct answer is

x^{3} = 0 .

Hence, the correct option is 3.

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