What is expand 1+1/2 (e^{-x/(20)}-e^{x/(20)}) ?

The solution to expand 1+1/2 (e^{-x/(20)}-e^{x/(20)}) is 1+1/2 e^{-x/(20)}-1/2 e^{x/(20)}

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expand 1+1/2 (e^{-x/(20)}-e^{x/(20)})

expand

1 + \frac{1}{2} (e^{- \frac{x}{20}} - e^{\frac{x}{20}})

1 + \frac{1}{2} e^{- \frac{x}{20}} - \frac{1}{2} e^{\frac{x}{20}}

Solution steps

1 + \frac{1}{2} (e^{- \frac{x}{20}} - e^{\frac{x}{20}})

Expand

\frac{1}{2} (e^{- \frac{x}{20}} - e^{\frac{x}{20}}) : \frac{1}{2} e^{- \frac{x}{20}} - \frac{1}{2} e^{\frac{x}{20}}

= 1 + \frac{1}{2} e^{- \frac{x}{20}} - \frac{1}{2} e^{\frac{x}{20}}

\frac{- u - 1}{2 ( u ^{2} - u )}

- 4 y (x + \frac{( y - z )}{2})

\frac{x ( x - 1 ) ( x - 12 ) ( x - 21 ) ( x - 23 ) ( x - 24 )}{40824}

y = 2 x + 5

e^{4 t} (t - cos (t) (t))

What is expand 1+1/2 (e^{-x/(20)}-e^{x/(20)}) ?
The solution to expand 1+1/2 (e^{-x/(20)}-e^{x/(20)}) is 1+1/2 e^{-x/(20)}-1/2 e^{x/(20)}