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

The solution to expand (1+y^2)dx+(1+x^2)dy is dx+y^2dx+dy+x^2dy

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

expand

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

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

Solution steps

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

Expand

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

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

Expand

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

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

\frac{( x - 1 ) ( x - 6 ) ( x - 5 )}{6}

3 x (2 x^{3})

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

\frac{16 x}{( x ^{2} - 1 ) ^{2}}

\frac{2 3 + 2}{- 3}

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