1. simplify (3^(1/2)+2^(1/2))^n x (3^(1/2)-^(1/2))^n
2.Given that (3^(1/2)+2^(1/2))^4 + (3^(1/2)-^(1/2))^4 = 98
Find (3^(1/2)+2^(1/2))^4 in a+bc^(1/2) form.
收錄日期: 2021-04-21 22:27:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130925000051KK00249