y=4√x대的二阶导数(跪求解答过程)

2025-01-20 12:03:15
推荐回答(2个)
回答1:

y=4√x³=4x^(3/2)
y'=4×3/2x^(1/2)=6√x
y''=(6√x)'=[6x^(1/2)]'=6×1/2x^(-1/2)=3x^(-1/2)=3/(√x)

回答2: