Following expressions are polynomials? Justify your answer: frac{1}{2 x}

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2. Polynomials

easy

The following expressions are polynomials? Justify your answer:

$\frac{1}{2 x}$

Option A

Option B

Option C

Option D

Solution

$\frac{1}{2 x}=\frac{1}{2} x^{-1}$

Here, the exponent of the variable $x$ is $-1,$ which is not a whole number

So, this algebraic expression is not a polynomial.

Standard 9

Mathematics

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