Question

How to identify if a given expression is polynomial or not?
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Answer 1

Answer:

If the coefficient of the numbers Is rational than its polynomials

Step-by-step explanation:

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Answer 2

If the coefficient of the variable is rational then its a polynomial.

Eg:

${x}^{2} + 5\sqrt{ {x} } \: i s \: not \: a \: polynomial.$

${x}^{2} + 5x \: is \: a \: polynomial.$