What is expand (xy+1)dx+x(x+4y-2)dy ?

The solution to expand (xy+1)dx+x(x+4y-2)dy is xydx+dx+x^2dy+4xydy-2xdy

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expand (xy+1)dx+x(x+4y-2)dy

expand

(x y + 1) d x + x (x + 4 y - 2) d y

x y d x + d x + x^{2} d y + 4 x y d y - 2 x d y

Solution steps

(x y + 1) d x + x (x + 4 y - 2) d y

Expand

d x (x y + 1) : x y d x + d x

= x y d x + d x + x (x + 4 y - 2) d y

Expand

x d y (x + 4 y - 2) : x^{2} d y + 4 x y d y - 2 x d y

= x y d x + d x + x^{2} d y + 4 x y d y - 2 x d y

(e + 4)^{3}

\frac{2 ( - 2 f ^{2} + 1 )}{f ^{3}}

(- 1) (x - 10 z = - 19)

(u - 4)^{2} - 4 0^{^{'}}

(e + 4)^{4}

What is expand (xy+1)dx+x(x+4y-2)dy ?
The solution to expand (xy+1)dx+x(x+4y-2)dy is xydx+dx+x^2dy+4xydy-2xdy