求下列函数的导数.(Ⅰ)y=(2x2+3)(3x-1)(Ⅱ)y=(x?2)2

求下列函数的导数.(Ⅰ)y=(2x2+3)(3x-1)(Ⅱ)y=(x?2)2.
2025-02-26 01:15:50
推荐回答(1个)
回答1:

(Ⅰ)∵y=(2x2+3)(3x-1)=6x3-2x2+9x-3,∴函数y的导数为 y'=18x2-4x+9.
(Ⅱ)∵y=(
x
?2)
2
=x-4
x
+4,∴y′=1?
2
x