题目
下列微分方程是线性的是(）。A. (1+xy)dy = dxB. y^2 + by = cxC. y' + xy^4 = 0D. y' = x + y^2
下列微分方程是线性的是(）。
A. $(1+xy)dy = dx$
B. $y^2 + by = cx$
C. $y' + xy^4 = 0$
D. $y' = x + y^2$
题目解答
答案
B. $y^2 + by = cx$
A. $(1+xy)dy = dx$
B. $y^2 + by = cx$
C. $y' + xy^4 = 0$
D. $y' = x + y^2$