2
7 x - x
-4*sin(4*x) + --------- + 6 *(-1 + 2*x)*log(6)
2
1 + 49*x
$$6^{x^{2} - x} \left(2 x - 1\right) \log{\left(6 \right)} - 4 \sin{\left(4 x \right)} + \frac{7}{49 x^{2} + 1}$$
686*x x*(-1 + x) x*(-1 + x) 2 2
-16*cos(4*x) - ------------ + 2*6 *log(6) + 6 *(-1 + 2*x) *log (6)
2
/ 2\
\1 + 49*x /
$$6^{x \left(x - 1\right)} \left(2 x - 1\right)^{2} \log{\left(6 \right)}^{2} + 2 \cdot 6^{x \left(x - 1\right)} \log{\left(6 \right)} - \frac{686 x}{\left(49 x^{2} + 1\right)^{2}} - 16 \cos{\left(4 x \right)}$$
2
686 134456*x x*(-1 + x) 3 3 x*(-1 + x) 2
- ------------ + 64*sin(4*x) + ------------ + 6 *(-1 + 2*x) *log (6) + 6*6 *log (6)*(-1 + 2*x)
2 3
/ 2\ / 2\
\1 + 49*x / \1 + 49*x /
$$6^{x \left(x - 1\right)} \left(2 x - 1\right)^{3} \log{\left(6 \right)}^{3} + 6 \cdot 6^{x \left(x - 1\right)} \left(2 x - 1\right) \log{\left(6 \right)}^{2} + \frac{134456 x^{2}}{\left(49 x^{2} + 1\right)^{3}} + 64 \sin{\left(4 x \right)} - \frac{686}{\left(49 x^{2} + 1\right)^{2}}$$