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If (a=0) in (p(x)=2x^3+ax^2+5), which statement is correct?

Answer and explanation

Correct answer: The degree of the polynomial remains 3

On substituting \(a=0\), the term \(ax^2\) becomes \(0\). Thus, \(p(x)=2x^3+5\). The highest power of \(x\) with a non-zero coefficient is 3, so the degree remains 3. Option A is incorrect because the \(x^3\) term is still present even though the \(x^2\) term disappears. Exam tip: remove all terms with zero coefficients before finding the degree.

Related tags

PolynomialsDegree Of PolynomialZero CoefficientAlgebraClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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