来自欧阳帆的问题
设f(x)和g(x)在负无穷到正无穷上有定义,且满足下列条件:(1)f(x+h)=f(x)g(h)+f(h)g(x)(2)f(x)和g(x)在x=0处可导,且f(0)=g'(0)=0,g(0)=f'(0)=1,求f'(x)请大侠们帮
设f(x)和g(x)在负无穷到正无穷上有定义,且满足下列条件:(1)f(x+h)=f(x)g(h)+f(h)g(x)
(2)f(x)和g(x)在x=0处可导,且f(0)=g'(0)=0,g(0)=f'(0)=1,求f'(x)
请大侠们帮助小弟,
1回答
2020-04-14 22:45