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

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

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

expand

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

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

Solution steps

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

Expand

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

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

Expand

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

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

(1 + e^{x}) (1 + e^{- x})

\frac{( x + h ) ^{2} - 4 ( x + h )}{h}

6 (\frac{x + 2}{2})

\frac{e ^{- x}}{x ( x ^{2} - 3 x + 2 )}

(2 x^{2} - π x y^{3})^{2}

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