2v ,
Given J (x)+ J (x)= ---J (x) and J (x) - J (x)= 2J (x) , show
v-1 v+1 x v v-1 v+1 v
that
d 2 2
---[xJ (x)J (x)] = x[J (x) - J (x)]
dx v v+1 v v+1
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.162.251.186