证明:若函数f(x)在(-∞,+∞)内满足不等式f'(x)=f(x),且f(0)=1,则f(x)=e∧x

问题描述:

证明:若函数f(x)在(-∞,+∞)内满足不等式f'(x)=f(x),且f(0)=1,则f(x)=e∧x