What is the definition of a polynomial with examples and non examples

The video tutorial explains the concept of polynomials, starting with the definition of monomials and how polynomials are formed as sums of monomials. It provides examples of polynomials, emphasizing that the number of terms does not matter as long as they are summed. The tutorial also clarifies that subtraction can be rewritten as addition. It highlights non-examples of polynomials, such as expressions with negative exponents or polynomials in the denominator, explaining why these do not qualify as polynomials.

Explain why expressions like 3X^(-2) cannot be considered polynomials.

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What are some examples of non-polynomial expressions?

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