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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
High school
Integrated math 2
Irrational numbers
Proofs concerning irrational numbers
Proofs concerning irrational numbers
Learn some proofs about the existence of irrational numbers.
Proof: √2 is irrational
Proof: square roots of prime numbers are irrational
Proof: there's an irrational number between any two rational numbers
