y=xsiny+1 求dy/dx
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y=xsiny+1 求dy/dx
y=xsiny+1 求dy/dx
y=xsiny+1 求dy/dx
两边同时对x求导
y=xsiny+1 求dy/dx
求由方程xsiny-ycosx=2确定的隐函数y=yx的导数dy/dx
验证积分I=∫(e^xsiny-2y+1)dx+(e^xcosy-2x)dy与路径无关
∫e^x[(1-cosy)dx-(y-siny)dy],其中c为区域 0≤x≤π,0≤y≤sinx的边界曲线取正向.求曲线积分P(x,y)=e^x(1-cosy) -对y求偏导数=e^xsinyQ(x,y)=e^x(siny-y) -->对x求偏导数=e^xsiny-ye^xI=∫∫(e^xsiny-ye^x-e^xsiny)dxdy=-∫∫(ye
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=2x
计算(e^xsiny-3y+x^2)dx+(e^xcosy-x)dy,其中L为:2x^2+y^2=1
求导数,y=1+xe^y,求dy/dx
z=e^xsiny,x=cosy,求dz/dy,
求微分方程y-dy/dx=1+x×dy/dx的通解
求∫(e∧xsiny-y)dx+(e∧xcosy-1)dy,其中L为点A(a,0)到点B(0,0)的上半圆周用完格林公式后是怎么做的 求具体过程
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已知y=x^(1/y),求dy/dx?
y=xe^y 求dy/dx
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^2/2=1到点(2,0)的弧
设曲线弧L为x^2+y^2=ax(a>0)从点A(a,0)到点O(0,0)的上半圆弧,求∫(e^xsiny-ay+a)dx+(e^xcosy-a)dy∫下面有个L,e^xsiny是e^x乘以siny
∫ (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(2,0)到点(0,0)的曲线积分πm/2
(1-x)dx-(1+y)dy=0求通解