dy/dx=-y y(0)=-100 求解此微分方程

y=xe^y 求dy/dx y=xe^y,求dy/dx |x=0 (x+y)dy+(x-y)dx=0求通解 dy/dx+y+1=0 求Y (dy/dx)-y=x求微分方程 y=(sinx)^x 求DY/DX y=ln sinx,求Dy/Dx y=x+lnx,求dx/dy y=xsiny+1 求dy/dx 求dy/dx= - x/y y=xsinx ,求dx分之dy y=xsinx ,求dx分之dy Y=2-sinx.求dy/dx及dy/dx|x=0 (1-x)dx-(1+y)dy=0求通解 xy+㏑ y+㏑ x=0 求dy/dx ysinx-cos(x+y)=0,求 dy/dx 求dx+(x+y^2)dy=0的通解 xy-sin(πy^2)=0 求dy/dx