求y''-y=e^x
求y'-y=e^x通解,
[e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解
求y''-2y'+5y=(e^x)sin2x
求微分方程y''-y'+2y=e^X通解
e^y+ln(xy)-e^(-x)=0,求y'
y=ln(x^2+e^x) 求Y'X
y=x^e+e^x+ln x+e^e,求Y'
求下列导数:sin(x+y)=sinx+siny e^x+x=e^y+y
[e^(x+y)-e^x]dx+[e^(x+y)+e^y]dy=0,求i通解
求y=e^x的奇偶性
高数题 求微分方程通解.y''-3y'+2y=e^x(1+e^2x)
设y=[e^x+e^(-x)]^2,求dy