What is the integral from 0 to 6 of e^x-e^{-x} ?

The integral from 0 to 6 of e^x-e^{-x} is (e^{12}+1)/(e^6)-2

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integral from 0 to 6 of e^x-e^{-x}

\int_{0}^{6} e^{x} - e^{- x} d x

\frac{e ^{12} + 1}{e ^{6}} - 2

Decimal

401.43127 \dots

Solution steps

\int_{0}^{6} e^{x} - e^{- x} d x

Rewrite using trig identities

= \int_{0}^{6} 2 sinh (x) d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 2 \cdot \int_{0}^{6} sinh (x) d x

Use the common integral:

\int sinh (x) d x = cosh (x)

= 2 [cosh (x)]_{0}^{6}

Compute the boundaries:

\frac{e ^{12} + 1}{2 e ^{6}} - 1

= 2 (\frac{e ^{12} + 1}{2 e ^{6}} - 1)

Simplify

= \frac{e ^{12} + 1}{e ^{6}} - 2

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What is the integral from 0 to 6 of e^x-e^{-x} ?
The integral from 0 to 6 of e^x-e^{-x} is (e^{12}+1)/(e^6)-2