∫(e^xsiny+8y)dx+(e^xcosy-7x)dy
∫(e^xsiny+8y)dx+(e^xcosy-7x)dy
验证积分I=∫(e^xsiny-2y+1)dx+(e^xcosy-2x)dy与路径无关
计算∫(e^xsiny+x)dy-(e^xcosy+y)dx,其中L为从点(-2,0)沿曲线(逆时针)x^2/4+y^2
计算∫L(e^xsiny-3y)dx+(e^xcosy+x)dy,其中L是由点(0,0)到点(0,2)x^2+y^2=2
计算∫L(e^xsiny-3y)dx+(e^xcosy+x)dy,其中L是由点(0,0)到点(2,0)x^2+y^2=2
∫ (e^xsiny-my)dx+(e^xcosy-m)dy其中L是按逆时针方向从圆周(x-1)^2+y^2=1上点A(
计算(e^xsiny-3y+x^2)dx+(e^xcosy-x)dy,其中L为:2x^2+y^2=1
求∫(e∧xsiny-y)dx+(e∧xcosy-1)dy,其中L为点A(a,0)到点B(0,0)的上半圆周
∫L(e∧xsiny-2y+1)dx+(e∧xcosy+3y)dy,其中L是由点A(2,0)到点(0,0)的上半圆周x∧
求∫(e∧xsiny-y)dx+(e∧xcosy-1)dy,其中L为点A(2,0)到点B(0,0)的圆周x^2+y^2=
计算曲线积分∫L(e^(x^2)sinx+3y-cosy)dx+(xsiny-y^4)dy ,其中L是从点(-π,0)沿
∫e^(-2x)dx∫e^(-y)dy