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# Irrational numbers

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Intro to rational & irrational numbersClassifying numbers: rational & irrational

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Proof: sum & product of two rationals is rationalProof: product of rational & irrational is irrationalProof: sum of rational & irrational is irrationalSums and products of irrational numbersWorked example: rational vs. irrational expressionsWorked example: rational vs. irrational expressions (unknowns)

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Proof: √2 is irrationalProof: square roots of prime numbers are irrationalProof: there's an irrational number between any two rational numbers