A Proof that Square Root of 2 Plus Square Root of 3 is Irrational

Introduction In the previous post, we have learned that is irrational.  In this post, we will use that theorem to show that is also irrational. This proof was explained by Ivan Niven in his book Numbers: Rational and Irrational. A common argument that might arise is that since is irrational and is irrational, then their […]
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