A.2e
B.e
C.0
D.1/2e
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2
[单选题]设L是抛物线y=x2上从点A(1,1)到点O(0,0)的有向弧线,则对坐标的曲线积分等于( )。A.0B.1C.-1D.2