What is expand e^{-(2x)/y}-y^3*(x^2-xy-y^2) ?

The solution to expand e^{-(2x)/y}-y^3*(x^2-xy-y^2) is e^{-(2x)/y}-x^2y^3+xy^4+y^5

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expand e^{-(2x)/y}-y^3*(x^2-xy-y^2)

expand

e^{- \frac{2 x}{y}} - y^{3} \cdot (x^{2} - x y - y^{2})

e^{- \frac{2 x}{y}} - x^{2} y^{3} + x y^{4} + y^{5}

Solution steps

e^{- \frac{2 x}{y}} - y^{3} (x^{2} - x y - y^{2})

Expand

- y^{3} (x^{2} - x y - y^{2}) : - x^{2} y^{3} + x y^{4} + y^{5}

= e^{- \frac{2 x}{y}} - x^{2} y^{3} + x y^{4} + y^{5}

3 (2 x y \frac{d y}{d x} + y^{2})

\frac{( 3 x ^{2} - 3 s + 9 )}{( x ( x ^{2} + 9 ) )}

lo g_{2} (8) x^{2} y

\frac{[ S r ( 1 + r ) ^{n} ]}{12 ( ( 1 + r ) ^{n} - 1 )}

(2 + cos (2 x))^{2}

What is expand e^{-(2x)/y}-y^3*(x^2-xy-y^2) ?
The solution to expand e^{-(2x)/y}-y^3*(x^2-xy-y^2) is e^{-(2x)/y}-x^2y^3+xy^4+y^5