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

The solution to expand (2xy)dx+(x^2-1)dy is 2xydx+x^2dy-dy

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expand (2xy)dx+(x^2-1)dy

expand

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

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

Solution steps

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

Expand

d y (x^{2} - 1) : x^{2} d y - d y

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

Remove parentheses:

(a) = a

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

f (5 x^{5} - 2 x^{4} + 3 x^{3} + 5 x^{2} + 2 e + 5) d x

\frac{2 ( 65 65 - 1 )}{3}

(z + i 2)^{2}

(- 5 - 6 i)^{4}

\frac{x}{( 6 x - 7 ) ( 5 x + 1 )}

What is expand (2xy)dx+(x^2-1)dy ?
The solution to expand (2xy)dx+(x^2-1)dy is 2xydx+x^2dy-dy