Answer:
Step-by-step explanation:
Rational expressions are bascially an expression where one polynomial is divided by another. And a polynomial is a series of terms like ax^b added together, where the exponents, what I labeled as b, need to be positive integers.
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√(-√2-(-√2))²+(√3-2√3)²= 3
Answer:
I'm not sure but the last one I think is wroght