求导:f(x)=∫[x,-2]e^(2t)sintdt
问题描述:
求导:f(x)=∫[x,-2]e^(2t)sintdt
x是积分下限,(-2)是积分上限
答
f(x)=∫[x,-2]e^(2t)sintdt
f'(x)={∫[x,-2]e^(2t)sintdt}'
=-e^(2x)sinx