What is the integral from 0 to ln(3) of e^x-e^{-3x} ?

The integral from 0 to ln(3) of e^x-e^{-3x} is 136/81

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integral from 0 to ln(3) of e^x-e^{-3x}

\int_{0}^{l n (3)} e^{x} - e^{- 3 x} d x

\frac{136}{81}

Decimal Notation

1.67901 \dots

Solution steps

\int_{0}^{l n (3)} e^{x} - e^{- 3 x} d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{0}^{l n (3)} e^{x} d x - \int_{0}^{l n (3)} e^{- 3 x} d x

\int_{0}^{l n (3)} e^{x} d x = 2

\int_{0}^{l n (3)} e^{- 3 x} d x = \frac{26}{81}

= 2 - \frac{26}{81}

Simplify

2 - \frac{26}{81} : \frac{136}{81}

= \frac{136}{81}

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{\frac{1}{s ^{2}} - \frac{48}{s ^{5}}}

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What is the integral from 0 to ln(3) of e^x-e^{-3x} ?
The integral from 0 to ln(3) of e^x-e^{-3x} is 136/81