f''(x)连续,当x→0时,F(x)=∫x0(x∧2-t∧2)f''(t)dt的导数F'(x)与x∧2为等价无穷小,求f''(x)

问题描述:

f''(x)连续,当x→0时,F(x)=∫x0(x∧2-t∧2)f''(t)dt的导数F'(x)与x∧2为等价无穷小,求f''(x)