- Thread starter
- #1
paulmdrdo
Active member
- May 13, 2013
- 386
i don't know how start. please help.
$\displaystyle\int xsech^2(x^2)dx$
$\displaystyle\int xsech^2(x^2)dx$
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integration of hyperbolic function
- Thread starter paulmdrdo
- Start date
- Jan 17, 2013
- 1,667
Hint :
\(\displaystyle \frac{d}{dx} \tanh(x)=\text{sech}^2(x)\)
What about
\(\displaystyle \frac{d}{dx} \tanh(x^2)\)
\(\displaystyle \frac{d}{dx} \tanh(x)=\text{sech}^2(x)\)
What about
\(\displaystyle \frac{d}{dx} \tanh(x^2)\)