1 2 x
------ + 21*x + 5 *log(5)
2
1 + x
$$5^{x} \log{\left(5 \right)} + 21 x^{2} + \frac{1}{x^{2} + 1}$$
x 2 2*x
42*x + 5 *log (5) - ---------
2
/ 2\
\1 + x /
$$5^{x} \log{\left(5 \right)}^{2} + 42 x - \frac{2 x}{\left(x^{2} + 1\right)^{2}}$$
2
2 x 3 8*x
42 - --------- + 5 *log (5) + ---------
2 3
/ 2\ / 2\
\1 + x / \1 + x /
$$5^{x} \log{\left(5 \right)}^{3} + \frac{8 x^{2}}{\left(x^{2} + 1\right)^{3}} + 42 - \frac{2}{\left(x^{2} + 1\right)^{2}}$$