求描述气膨胀状态的函数r(V)=（3V/4π）开三次根的导数?

分类: 作业答案 • 2021-11-12 23:08:25

问题描述：

答

r(V)=（3V/4π）开三次根
=（3V/4π）^(1/3)
r'(V)=[（3V/4π）^(1/3)]'
=1/3*3/4π*（3V/4π）^(1/3-1)
=1/[4π*(3V/4π）^(2/3)]