Xy(1+x^2)y'=1+y^2. X 2 xy 1. (1-x^2)y''-xy'=2. X 2 xy 1. Y'+(xy/2(1-x^2))=x/2.
|
X 2 xy 1. (1+x^2)y'-2xy=(1+x^2)^2. Y'=x^2+2xy+2y^2. (1+x^2)y'-2xy=(1+x^2)^2. Y-xy'=1+x^2y'.
|
(1+y^2)dx=xy(1+x^2)dy. X 2 xy 1. X 2 +y 2 =2x+2y+xy. (1-x^2)y'+xy=1. Xyy'=1-x^2.
|
2x/x+y-2x 2/x 2+2xy+y 2 1+2y/x-y. Y-xy'=2(1+x^2y'). X 2 xy 1. X2+xy/y+1 1/x+y-x. Y/x x2-xy/y2.
|
X 2 xy 1. (2xy-3x)/(y-3)=2x+3. Y/x2-xy-1/x-y. X 2 xy 1. X 2 xy 1.
|
X 2 +y 2 =2x+2y+xy. X 2 xy 1. Xy'-1=x^2. -x2-2xy-1. Xy(1+x^2)y'=1+y^2.
|
(1-x^2) y'-xy=xy^2. X 2 xy 1. Сократите x-2y|x2-2xy. Диф ур y'+2xy/1+x^2. (x^2+y^2)^2=2xy.
|
3x-xy-3y-y2 решение. -2xy(x2+2xy-y2). Xy в квадрате. X3y-xy3/2 y-x. Y'+(xy/2(1-x^2))=x/2.
|
X 2 xy 1. Xy''=y'+x^2. X2-2xy+y2 формула. Дифференциал x^2dy=y^2dx. (1-x^2)y''-xy'=2.
|
X 2 xy 1. (1+x^2)y'-2xy=(1+x^2)^2. Xy'+y=x+1. Y-xy'=1+x^2y'. X^2y''+xy'=1.
|
Xy+2y-2x-4 решение. X 2 xy 1. 2xy-xy. Xy=2. (1-x^2) y'-xy=xy^2.
|
X 2 xy 1. X+y=3. X^2y''+xy'=1. X 2 xy 1. X2+xy+y2.
|
X 2 xy 1. X 2 xy 1. Xy'+x2+xy-y. Y'-y/x=x^2. Дифференциальное уравнение x^2y'+xy=-1.
|
(1-x^2)y''-xy'=2. Решение x^2y+x+xy 2+y. X^2y''+xy'=1. Дифференциал (y^2 + xy^2 )dx = (yx^2 - x^2)dy. Y/x x2-xy/y2.
|
X 2 xy 1. (x^2+y^2)y'=2xy решение. X^2-xy формула. (1+x^2)y'-2xy=(1+x^2)^2. X^2y''+xy'=1.
|
X 2 xy 1. (x^2+y^2)^2=2xy. X+2xy+y формула. X 2 xy 1. Б) (x+1/x-1-x-1/x+1):2x/1-x2.
|
X^2y''+xy'=1. X^2y''+xy'=1. X^2y''+xy'=1. (x^2+y^2)^2=2xy. Дифференциал x^2dy=y^2dx.
|
Y/x2-xy-1/x-y. Решение x^2y+x+xy 2+y. Y'+(xy/2(1-x^2))=x/2. X 2 xy 1. Y'+(xy/2(1-x^2))=x/2.
|
(1-x^2) y'-xy=xy^2. Y'+(xy/2(1-x^2))=x/2. X3y-xy3/2 y-x. Y/x x2-xy/y2. Y-xy'=2(1+x^2y').
|
X^2y''+xy'=1. Y'+(xy/2(1-x^2))=x/2. X 2 +y 2 =2x+2y+xy. 2xy-xy. (1-x^2)y''-xy'=2.
|