Contact us
Choose a category below so we can get back to you as quickly as possible.
x+x的平方+x的三次方+…+x兩千次方 =x(1+x+x的平方+x的三次方)+x的五次方(1+x+x的平方+x的三次方)+……+x的1997次方(1+x+x的平方+x的三次方) =0+0+0+……+0 =0
0的0次方無意義 所以x-1≠0 所以x≠1
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.