# maths

The function f is given by
ln(e^x − e ^−x) (x > 0).
By applying in turn the Composite and Quotient Rules, calculate
that gives an expression for each of the following.
1. f!(x)
2. f!!(x)

1. 👍 0
2. 👎 0
3. 👁 61
1. f!(x)-? maybe f'(x)

1. 👍 0
2. 👎 0
posted by Mgraph

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