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Class 10MathematicsPolynomialsPolynomials in one variableMediumLevel 48
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Which of the following is not a polynomial in (y)?

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Answer and explanation

Correct answer: (y^2+\frac{4}{y})

In (y^2+\frac{4}{y}), (\frac{4}{y}=4y^{-1}), so the power is negative. A variable with a negative power is not a polynomial.

Related tags

Not PolynomialNegative PowerConcept

Frequently asked questions

What is the correct answer to this question?

(y^2+\frac{4}{y})

Why is this the correct answer?

In (y^2+\frac{4}{y}), (\frac{4}{y}=4y^{-1}), so the power is negative. A variable with a negative power is not a polynomial.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.

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