设f(x),g(x)在[-a,a]上连续,g(x)为偶函数,且f(x)满足条件f(x)+f(-x)=A(A为常数). (Ⅰ)证明∫-aaf(x)g(x)dx=A∫0ag(x)dx; (Ⅱ)利用(Ⅰ)的结论计算定积分∫π/2-π/2|sinx|arctane

admin2013-10-11  73

问题 设f(x),g(x)在[-a,a]上连续,g(x)为偶函数,且f(x)满足条件f(x)+f(-x)=A(A为常数).
(Ⅰ)证明∫-aaf(x)g(x)dx=A∫0ag(x)dx;
(Ⅱ)利用(Ⅰ)的结论计算定积分∫π/2-π/2|sinx|arctanexdx.

选项

答案[*]

解析
转载请注明原文地址:https://kaotiyun.com/show/AdF4777K
0

相关试题推荐
最新回复(0)