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

The solution to expand (x+y-1)dx-(2x-y+1)dy is xdx+ydx-dx-2xdy+ydy-dy

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

expand

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

x d x + y d x - d x - 2 x d y + y d y - d y

Solution steps

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

Expand

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

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

Expand

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

= x d x + y d x - d x - 2 x d y + y d y - d y

\frac{x ^{2} + 2 x}{( x + 1 ) ( x ^{2} + 4 )}

e^{p} (p + p p)

(x^{2} + sin (x)) sec (x)

\frac{5 e ^{- s}}{s ( s + 1 )}

\frac{s}{( s + 3 ) ^{2}}

What is expand (x+y-1)dx-(2x-y+1)dy ?
The solution to expand (x+y-1)dx-(2x-y+1)dy is xdx+ydx-dx-2xdy+ydy-dy