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

The solution to expand (x+2y)dx+(2x+y)dy is xdx+2ydx+2xdy+ydy

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expand (x+2y)dx+(2x+y)dy

expand

(x + 2 y) d x + (2 x + y) d y

x d x + 2 y d x + 2 x d y + y d y

Solution steps

(x + 2 y) d x + (2 x + y) d y

Expand

d x (x + 2 y) : x d x + 2 y d x

= x d x + 2 y d x + (2 x + y) d y

Expand

d y (2 x + y) : 2 x d y + y d y

= x d x + 2 y d x + 2 x d y + y d y

(1 + sin (x))^{2} + cos^{2} (t)

\frac{2 ( 15 - 15 )}{21}

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

ln (2) (x - 1)

55 (2 - 56)

What is expand (x+2y)dx+(2x+y)dy ?
The solution to expand (x+2y)dx+(2x+y)dy is xdx+2ydx+2xdy+ydy