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Question Number 166910 by rexford last updated on 02/Mar/22
giventhatisprime,proofthatpisirrational
Commented by rexford last updated on 02/Mar/22
thankyou
Answered by mr W last updated on 02/Mar/22
assumep=rational=abwithgcd(a,b)=1⇒p=a2b2⇒pisaperfectsquare⇒contradictionactuallypisalwaysirrational,ifpisnotaperfectsquare.therefore2,3,5,6,7,8,10,11,12,13,14,15,17,18,19,...areallirrationalnumbers.
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