What is expand (x^3+y^3)dx+(3xy^2+2)dy ?

The solution to expand (x^3+y^3)dx+(3xy^2+2)dy is x^3dx+y^3dx+3xy^2dy+2dy

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expand (x^3+y^3)dx+(3xy^2+2)dy

expand

(x^{3} + y^{3}) d x + (3 x y^{2} + 2) d y

x^{3} d x + y^{3} d x + 3 x y^{2} d y + 2 d y

Solution steps

(x^{3} + y^{3}) d x + (3 x y^{2} + 2) d y

Expand

d x (x^{3} + y^{3}) : x^{3} d x + y^{3} d x

= x^{3} d x + y^{3} d x + (3 x y^{2} + 2) d y

Expand

d y (3 x y^{2} + 2) : 3 x y^{2} d y + 2 d y

= x^{3} d x + y^{3} d x + 3 x y^{2} d y + 2 d y

((1, 5, 8) + (- 1, 3, - 2)) \cdot ((1, 5, 8) - (- 1, 3, - 2))

d (i \cdot d = i \cdot d - i \cdot b)

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

- \frac{5}{4} \cdot \frac{x - 5}{2 x}

- 6 p (4, - 6)

What is expand (x^3+y^3)dx+(3xy^2+2)dy ?
The solution to expand (x^3+y^3)dx+(3xy^2+2)dy is x^3dx+y^3dx+3xy^2dy+2dy