求导…y=x^x^x x的x次方再x次方求导
问题描述：
求导…y=x^x^x x的x次方再x次方
求导
答
x^(x^x)*(x^x*(log(x)+1)*log(x)+x^x/x)
x / x \
(x ) | x x |
即 x |x (log(x) + 1) log(x) + ----|
\ x /