求下列函数的导数.(1)y=2x3-3x2+5x-4(2)y=x(x2+1x+1x3)

求下列函数的导数.(1)y=2x3-3x2+5x-4(2)y=x(x2+1x+1x3).
2025-02-23 07:55:40
推荐回答(1个)
回答1:

(1)y′=6x2-6x+5
(2)∵y=x(x2+
1
x
+
1
x3
)=x3+1+
1
x2

∴y′=3x2-
2
x3