What is expand (2x^3+3y)dx+(3x+y-1)dy ?

The solution to expand (2x^3+3y)dx+(3x+y-1)dy is 2x^3dx+3ydx+3xdy+ydy-dy

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expand (2x^3+3y)dx+(3x+y-1)dy

expand

(2 x^{3} + 3 y) d x + (3 x + y - 1) d y

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

Solution steps

(2 x^{3} + 3 y) d x + (3 x + y - 1) d y

Expand

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

= 2 x^{3} d x + 3 y d x + (3 x + y - 1) d y

Expand

d y (3 x + y - 1) : 3 x d y + y d y - d y

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

A (- 1, 2) B (- 3, - 6)

3 (3 - 5)

\frac{1}{s ( s + a )}

(1 + i)^{3}

(2 + 4 x) y^{''} (x) - (1 - 2 x) y

What is expand (2x^3+3y)dx+(3x+y-1)dy ?
The solution to expand (2x^3+3y)dx+(3x+y-1)dy is 2x^3dx+3ydx+3xdy+ydy-dy