[PDF] Chapitre 5 - Logarithme Néperien



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Calculation of The Napierian Logarithm

For the calculation of napierian logarithm of a number, just enter the number and apply the function ln. Thus, for calculating napierian logarithm of the number 1, you must enter ln(1)or directly 1, if the button ln already appears, the result 0 is returned.

Calculate Chain Rule of Derivatives with Napierian Logarithm

If u is a differentiable function, the chain rule of derivatives with the napierian logarithm function and the function u is calculated using the following formula : (ln(u(x))'=u?(x)u(x), the derivative calculator can perform this type of calculation as this example shows calculating the derivative of ln(4x+3).

Limits of Napierian Logarithm

The napierian logarithm function has a limit in 0 which is -?.