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Is a polynomial with square root a polynomial?

In: Math and Arithmetic, Algebra, Factoring [Edit categories]

Answer:

It is a polynomial if the square root is in a coefficient but not if it is applied to the variable. A polynomial can have only integer powers of the variable.

Thus: sqrt(2)*x³ + 4*x + 3 is a polynomial expression
but
2*x³ + 4*sqrt(x) + 3 is not.

First answer by Mehtamatics. Last edit by Mehtamatics. Contributor trust: 614 [recommend contributor ]. Question popularity: 1 [recommend question].

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