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

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

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

expand

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

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

Solution steps

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

Expand

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

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

\frac{s ^{2} ( 2 s ^{2} + 1 )}{( 8 s ^{2} + 9 s + 2 ) ( s ^{3} + 1 )}

\frac{5 x}{3} - 2 (x + 1 = 9)

(2 + \frac{3}{π}) (x - 1)

\frac{( y + 3 ) ( y - 6 )}{( y + 1 ) ( 2 y + 3 )}

\frac{x ( 3 x + 5 ) + 13}{2 x + 1}

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