What is expand ydy(xy-1)+xy^2+1 ?

The solution to expand ydy(xy-1)+xy^2+1 is y^2xdy-ydy+xy^2+1

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expand ydy(xy-1)+xy^2+1

expand

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

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

Solution steps

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

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

Expand

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

= y^{2} x d y - y d y + x y^{2} + 1

π (2 x + 1)^{2}

(t - 1) B e^{t} + 2 e^{t}

\frac{( a - 5 ) a}{a - 2}

5 e^{j (k x - wt)}

\frac{64 ( x + 1 ) ( 2 x + 1 )}{x ^{2}}

What is expand ydy(xy-1)+xy^2+1 ?
The solution to expand ydy(xy-1)+xy^2+1 is y^2xdy-ydy+xy^2+1