网址:http://m.1010jiajiao.com/timu_id_2734205[举报]
函数y=xe1-cosx的导数为
[ ]
A.(1+xsinx)e1+cosx
B.(1+xsinx)e1-cosx
C.(1-xsinx)e1+cosx
D.(1-xsinx)e1-cosx