Is x+x√x a polynomial

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Solution

No, polynomials can only have non-negative integer exponents. Since sqrt(x) is the same as x^(1/2), this breaks the rule since 1/2 isn't an integer.

In mathematics, a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

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