设f(x)可导,且y=f(x²)+f[f(x)],求dy/dx

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/29 12:15:41

设f(x)可导,且y=f(x²)+f[f(x)],求dy/dx

y=f(x²)+f[f(x)]
y=f'(x²)*(x²)'+f'[f(x)]*f'(x)
=2x*f'(x²)+f'(x)*f'[f(x)]