What is expand xy(1+y^2)dx-(1+x^2)dy ?

The solution to expand xy(1+y^2)dx-(1+x^2)dy is xydx+xy^3dx-dy-x^2dy

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expand xy(1+y^2)dx-(1+x^2)dy

expand

x y (1 + y^{2}) d x - (1 + x^{2}) d y

x y d x + x y^{3} d x - d y - x^{2} d y

Solution steps

x y (1 + y^{2}) d x - (1 + x^{2}) d y

Expand

x y d x (1 + y^{2}) : x y d x + x y^{3} d x

= x y d x + x y^{3} d x - (1 + x^{2}) d y

Expand

- d y (1 + x^{2}) : - d y - x^{2} d y

= x y d x + x y^{3} d x - d y - x^{2} d y

2 \cdot (4 + e)

\frac{( 2 - x )}{( x + 1 ) ( x + 7 )}

2 (x^{3} - 6 x + 5)^{4}

(f (x) - g (x)) x^{'}

\frac{3 - x}{( x + 1 ) ( x - 1 )}

What is expand xy(1+y^2)dx-(1+x^2)dy ?
The solution to expand xy(1+y^2)dx-(1+x^2)dy is xydx+xy^3dx-dy-x^2dy