2 / d / log(10) \\| / 2 \
2*x *|-----|---------||| 2 + log\10, x + 3/
\dxi_2\log(xi_2)//|xi_2=x + 3
$$2 x^{2} \left. \frac{d}{d \xi_{2}} \frac{\log{\left(10 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=x^{2} + 3 }} + \log{\left(10 \right)}$$
/ 2 / 2 \ \
| 2*x *|1 + -----------|*log(10)|
| | / 2\| |
| / d / log(10) \\| \ log\3 + x // |
2*x*|3*|-----|---------||| 2 + ------------------------------|
| \dxi_2\log(xi_2)//|xi_2=x + 3 2 |
| / 2\ 2/ 2\ |
\ \3 + x / *log \3 + x / /
$$2 x \left(\frac{2 x^{2} \left(1 + \frac{2}{\log{\left(x^{2} + 3 \right)}}\right) \log{\left(10 \right)}}{\left(x^{2} + 3\right)^{2} \log{\left(x^{2} + 3 \right)}^{2}} + 3 \left. \frac{d}{d \xi_{2}} \frac{\log{\left(10 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=x^{2} + 3 }}\right)$$
/ / 2 / 2 \ 2 / 2 \\ \
| | 4*x *|1 + -----------| 4*x *|1 + -----------|| |
| | 2 | / 2\| | / 2\|| |
| 2 | 6 4*x \ log\3 + x // \ log\3 + x //| 2 / 2 \ |
| 2*x *|-3 - ----------- + --------------------- + ---------------------- + ----------------------|*log(10) 6*x *|1 + -----------|*log(10)|
| | / 2\ / 2\ 2/ 2\ 2 / 2\ / 2\ | | / 2\| |
| / d / log(10) \\| \ log\3 + x / \3 + x /*log \3 + x / 3 + x \3 + x /*log\3 + x / / \ log\3 + x // |
2*|3*|-----|---------||| 2 - --------------------------------------------------------------------------------------------------------- + ------------------------------|
| \dxi_2\log(xi_2)//|xi_2=x + 3 2 2 |
| / 2\ 2/ 2\ / 2\ 2/ 2\ |
\ \3 + x / *log \3 + x / \3 + x / *log \3 + x / /
$$2 \left(\frac{6 x^{2} \left(1 + \frac{2}{\log{\left(x^{2} + 3 \right)}}\right) \log{\left(10 \right)}}{\left(x^{2} + 3\right)^{2} \log{\left(x^{2} + 3 \right)}^{2}} - \frac{2 x^{2} \left(\frac{4 x^{2} \left(1 + \frac{2}{\log{\left(x^{2} + 3 \right)}}\right)}{x^{2} + 3} + \frac{4 x^{2} \left(1 + \frac{2}{\log{\left(x^{2} + 3 \right)}}\right)}{\left(x^{2} + 3\right) \log{\left(x^{2} + 3 \right)}} + \frac{4 x^{2}}{\left(x^{2} + 3\right) \log{\left(x^{2} + 3 \right)}^{2}} - 3 - \frac{6}{\log{\left(x^{2} + 3 \right)}}\right) \log{\left(10 \right)}}{\left(x^{2} + 3\right)^{2} \log{\left(x^{2} + 3 \right)}^{2}} + 3 \left. \frac{d}{d \xi_{2}} \frac{\log{\left(10 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=x^{2} + 3 }}\right)$$