Question

求导数 y=（x+1）的99次方 y=2e的-x次方 y=2xsin（2x+5）

Answer 1

[(x+1)^(99)]' = 99(x+1)^(98)

[2e^(-x)]' = -2e^(-x)

[2xsin(2x+5)]' = 2sin(2x+5)+2xcos(2x+5)*2 = 2sin(2x+5) + 4xcos(2x+5)