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How will the expression (21) be considered?

Answer and explanation

Correct answer: Constant polynomial

The expression 21 contains no variable, such as x, so its value always remains 21. Therefore, it is a non-zero constant polynomial and has degree 0. A zero polynomial has all its coefficients equal to 0, whereas the constant here is 21. Exam tip: An expression containing only a non-zero number is a constant polynomial.

Related tags

PolynomialsConstant PolynomialZero PolynomialDegree Of PolynomialClassificationDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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