# Math Help - calculate the derivative of..

1. ## calculate the derivative of..

Calculate the derivative.

2. Originally Posted by tbenne3
Calculate the derivative.
Use $\tanh(x) = \frac{e^{2x}-1}{e^{2x}+1}$

$\tanh(x^6)= \frac{e^{2x^6}-1}{e^{2x^6}+1}$

Use quotient rule and chain rule.

3. k thanks but whats the derivative of e^(2x^6)

4. Originally Posted by tbenne3
k thanks but whats the derivative of e^(2x^6)
Recall the derivative for E^U = E^U * DU

5. Originally Posted by doomgaze
Recall the derivative for E^U = E^U * DU
what is DU in this problem