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Answer on Algebra Question for shahera

Question #8208
hello can you please tell me is x-1/x a polynomial .
thanks
Expert's answer
No, it isn't.
In mathematics, a polynomial is an expression of finite length constructed from variables (also known as indeterminates) and constants, using only the operations of addition, subtraction, multiplication, and non-negative integer exponents.& For example, x^2+x-1 is a polynomial. 1/(x^2)+1 is not, because w ehave here negative exponent of variable x.

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