Perform a Proof by Contradiction for the following... 1. sqrt(2) is an irrational number

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Perform a Proof by Contradiction for the following...
1. sqrt(2) is an irrational number

 

Student Note: I know how since every rational number can be written as m/n for integers m,n wehre n!=0 and that they must not have common multiples aside from 1 and -1. So would start by setting up sqrt(2)=m/n but unsure what to do from there...

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