Question

x3次方开5次的导数是多少？

Answer 1

5√x^3=x^3/5
求导3/5x^（3/5-1）=3/5×x^-2/5
这种求导有通式 a^x求导后为x×a^(x-1)

Answer 2

y = x^(3/5) = x^0.6 (1)
y'= 0.6x^(0.6-1) = 0.6 /x^0.4 = 0.6/x^(2/5) (2)
y'= 0.6/x^(2/5) (3)