一道数学题,要过程
若X1+X2=3,X1X2=5求值(1)1/(X1²)+1/(X2²)(2)|X1-X2|(3)[(X2/X1)+1]+[(X1/X2)+1]...
若X1+X2=3,X1X2=5求值
(1)1/(X1²)+1/(X2²)
(2)|X1-X2|
(3)[(X2/X1)+1]+[(X1/X2)+1] 展开
(1)1/(X1²)+1/(X2²)
(2)|X1-X2|
(3)[(X2/X1)+1]+[(X1/X2)+1] 展开
2个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询