(y²-3x²)dy-2xydx=0,(y|x=0)=1
(Y*2-3X*2)dY+2XYdx=0,当X=0时,Y=1,求特解
|x+2y+3|+(2x+y)²=0求x²-xy+y²
微积分,求方程通解求方程(3x²+6xy²)dx+(6x²y+4y²)dy=0的
1、若|x-1|+(y+3)²=0,则x²+y²=
微分方程xydx+(1+x^2)dy=0的通解是y=
求微分方程的通解(y^4-3x^2)dy+xydx=0
方程组{x²+y²=10(1)x²-3xy+2y²=0(2)怎么解
已知x²+y²-4x+6y+13=0,求x²+2y/x²-3y²的值
已知3x²+xy-2y²=0(x≠0,y≠0),求x/y-y/x-x²+y²/x
已知(x+2)²+|x+y+5|=0,求3x²y+{-2x²y-[-2xy+(x²
已知(x²+y²)(x²+y²-6)+9=0 ,求x²+y²
求微分方程(y^2-x^2)dy+2xydx=0的通解