What is expand (4-e^{-t})/((e^{-t)+1)(e^{-t}+2)} ?

The solution to expand (4-e^{-t})/((e^{-t)+1)(e^{-t}+2)} is (4-e^{-t})/(e^{-2t)+3e^{-t}+2}

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expand (4-e^{-t})/((e^{-t)+1)(e^{-t}+2)}

expand

\frac{4 - e ^{- t}}{( e ^{- t} + 1 ) ( e ^{- t} + 2 )}

\frac{4 - e ^{- t}}{e ^{- 2 t} + 3 e ^{- t} + 2}

Solution steps

\frac{4 - e ^{- t}}{( e ^{- t} + 1 ) ( e ^{- t} + 2 )}

Expand

(e^{- t} + 1) (e^{- t} + 2) : e^{- 2 t} + 3 e^{- t} + 2

= \frac{4 - e ^{- t}}{e ^{- 2 t} + 3 e ^{- t} + 2}

\frac{\partial}{\partial y} ((x) (y^{4} + 3 y - 4 x^{3} - 5 x))

(p + Δ p)^{2}

\frac{( 2 - x ) ^{4}}{16}

\frac{( n + 2 ) !}{( n + 1 ) !}

(\frac{6 - y}{2})^{2}

What is expand (4-e^{-t})/((e^{-t)+1)(e^{-t}+2)} ?
The solution to expand (4-e^{-t})/((e^{-t)+1)(e^{-t}+2)} is (4-e^{-t})/(e^{-2t)+3e^{-t}+2}