Answers

2014-04-22T17:47:46+05:30
Let 3√6+3 be rational 
then 3√6+3 = a/b
3√6=a/b-3
√6=a/3b-9b/3b*1/3
√6 is irrational and RHS is rational 
hence our assumption is wrong
hence 3√6 +3 is irrational
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