求定积分∫(2,0)e^(x/2)dx如题怎么求_数学解答

求定积分∫(2,0)e^(x/2)dx
如题怎么求

人气：387 ℃　时间：2020-06-10 07:02:53

解答

∫(2,0)e^(x/2)dx
=2∫(2,0)e^(x/2)d(x/2)
=2∫(2,0)de^(x/2)
=2e^(x/2)|(2,0)
=2(e^2/2-e^0/2)
=2(e-1)
=2e-22e^(x/2)|(2,0)Ϊʲô��ֱ�ӵõ��Ӧ��e^(x/2)��ʲô��e^(x/2)�