Y*Z/6-Y*X2/2*Z=0 如何解X?
回答 (3)
2016-04-29 11:45 pm
✔ 最佳答案
Y*Z/6=Y*X^2/2ZY*Z/6*(2Z/Y)=X^2
(Z^2)/3=X^2
X=Z/1.732
2016-04-30 7:08 am
YZ/6 -(YX^2)/(2Z)=0
(YX^2)/(2Z)=YZ/6
YX^2=(2YZ^2)/6
X^2=(Z^2)/6
X=Z/(6^0.5) or X=-Z/(6^0.5)
(YX^2)/(2Z)=YZ/6
YX^2=(2YZ^2)/6
X^2=(Z^2)/6
X=Z/(6^0.5) or X=-Z/(6^0.5)
2016-04-30 2:33 am
-1/6
收錄日期: 2021-04-18 14:46:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160429151003AA9iLwa