루트2가무리수가아니라고가정a/b로나타낼수있음(a,b는서로소인자연수)루트2=a/b->b루트2=a->2xb제곱=a제곱->2b제곱은2의배수이므로a제곱도2의배수.서로소가모순
[무물보AI] 답변 로딩중...