1+p既2次方=12分之25p=???
呢條數點計?????
help me !!!!thank you~
幫我計下一條數! PLEASE
2011-08-04 5:34 am
回答 (2)
2011-08-04 5:58 am
✔ 最佳答案
1 + p² = (25/12)p p² - (25/12)p + 1 = 012p² - 25p + 12 = 0(4p - 3)(3p - 4) = 0p = 3/4 or p = 4/3 2011-08-05 20:26:57 補充：
不太明12可以咁放的意思
成條式乘12
2011-08-05 1:16 am
1+p^2=(25/12)p
12+12p^2=25p
12p^2-25p+12=0
(3p-4)(4p-3)=0
p=4/3 or 3/4.
12+12p^2=25p
12p^2-25p+12=0
(3p-4)(4p-3)=0
p=4/3 or 3/4.
參考: me
收錄日期: 2021-04-13 18:08:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110803000051KK01259