推 ss1132 :直接解出來再帶入用棣美弗運算 11/29 22:59
→ bugmens :-8 11/29 23:24
推 zombiea :設u 為x^5=1 的一複數解,則a, b, c, d 為2u^i i=1..4 11/29 23:24
→ zombiea :{a^3,..,d^3} ={8u^i,i=1..4} {a^2,..,d^2}={4u^i} 11/29 23:26
→ zombiea :u^4+u^3+u^2+u+1=0 11/29 23:26