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

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

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

expand

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

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

Solution steps

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

Expand

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

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

Expand

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

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

(2 x^{2} y^{3} + 3 y^{5} - 20 y^{3}) d y

- (10 k = 8.8 m + 10)

25 t^{3} - 17 t^{3}

π (8 - 8 x^{2})^{2}

\frac{x ( 40 - 3 x )}{400}

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