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2. Which of the following cannot be a part of a rational expression?O-7x⁰3x²3x² - 4x + 5043x² - 4√x

2. Which of the following cannot be a part of a rational expression?O-7x⁰3x²3x² - 4x-example-1
User Ahuemmer
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To be part of a rational expression, we need to have a polynomial expression.

By definition, all the exponents of a polynomial expression are positive integer values (including 0).

We know that:


√(x)=x^{(1)/(2)}

So the last option is not a polynomial.

Answer: The last option

User Lisa Wray
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