The first derivative
[src]
2
- ------------- + 2*b*cos(2*x)
__________
/ 2
\/ 1 - 4*x
$$2 b \cos{\left(2 x \right)} - \frac{2}{\sqrt{1 - 4 x^{2}}}$$
The second derivative
[src]
/ 2*x \
-4*|b*sin(2*x) + -------------|
| 3/2|
| / 2\ |
\ \1 - 4*x / /
$$- 4 \left(b \sin{\left(2 x \right)} + \frac{2 x}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right)$$
The third derivative
[src]
/ 2 \
| 1 12*x |
-8*|------------- + b*cos(2*x) + -------------|
| 3/2 5/2|
|/ 2\ / 2\ |
\\1 - 4*x / \1 - 4*x / /
$$- 8 \left(b \cos{\left(2 x \right)} + \frac{12 x^{2}}{\left(1 - 4 x^{2}\right)^{\frac{5}{2}}} + \frac{1}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right)$$