f(x)是连续函数,d⼀dx∫(x눀~-1)f(t)dt=?

2024-12-05 07:15:09
推荐回答(1个)
回答1:

d/dx∫(x²~-1)f(t)dt
=f(x²)·(x²)'
=2xf(x²)