What is expand (xy+1)dx+(xy-1)dy ?

The solution to expand (xy+1)dx+(xy-1)dy is xydx+dx+xydy-dy

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expand (xy+1)dx+(xy-1)dy

expand

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

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

Solution steps

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

Expand

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

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

Expand

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

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

(e^{2 t} - e^{- 2 t})^{2}

3^{4}

lo g_{10} (x^{5} y^{- 8})

b^{2} (b^{\frac{1}{2}} - b^{\frac{1}{4}})

(2 + 23 i)^{4}

What is expand (xy+1)dx+(xy-1)dy ?
The solution to expand (xy+1)dx+(xy-1)dy is xydx+dx+xydy-dy