题目
y = x^x (x > 0) 的导数为A. y' = x^xB. y' = x^x (ln x - 1)C. y' = x^x (1 - ln x)D. y' = x^x (ln x + 1)
$y = x^x$ ($x > 0$) 的导数为
A. $y' = x^x$
B. $y' = x^x (\ln x - 1)$
C. $y' = x^x (1 - \ln x)$
D. $y' = x^x (\ln x + 1)$
题目解答
答案
D. $y' = x^x (\ln x + 1)$