Some people said "no" since it is prime.
Some people said "yes" since -(-x + 3 - √5)(x + 3 + √5) is a pair of multiples.
So, what is the answer? Yes or no?
THX.
更新1:
Sorry, it should be -(-x + √5 - 3)(x + √5 + 3), not -(-x + 3 - √5)(x + 3 + √5).
Sorry, it should be -(-x + √5 - 3)(x + √5 + 3), not -(-x + 3 - √5)(x + 3 + √5).
收錄日期: 2021-05-01 12:39:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090727033134AAN4i9c