[解题] 一题多项式请高手帮忙!

楼主: sunfin (远方)   2014-06-09 23:57:32
已知(x+y+z)(x+y)(y+z)(z+x)不等于零
且[x^2/(y+z)]+[y^2/(z+x)]+[z^2/(x+y)]=0
求:
1. [x/(y+z)] + [y/(z+x)] + [z/(x+y)] = ?
2. [x^2/(yz)] + [y^2/(zx)] + [z^2/(xy)] = ?
感激不尽!
作者: vvbird (vv)   2014-06-10 19:59:00
没有附想法, 警告一次

Links booklink

Contact Us: admin [ a t ] ucptt.com