• 2022-07-25
    \(已知L为抛物线y^2=x上从点A(1,-1)到点B(1,1)的一段弧,则\int_{L}xyds=(\,)\)
    A: \[\frac{4}{5}\]
    B: \[\frac{3}{5}\]
    C: \[\frac{2}{5}\]
    D: \[\frac{1}{5}\]