/ -x -x\ / 2 \ -x
\E - x*e /*(acos(2*x) + b*sin(2*x)) + x*|- ------------- + 2*b*cos(2*x)|*e
| __________ |
| / 2 |
\ \/ 1 - 4*x /
$$x \left(2 b \cos{\left(2 x \right)} - \frac{2}{\sqrt{1 - 4 x^{2}}}\right) e^{- x} + \left(b \sin{\left(2 x \right)} + \operatorname{acos}{\left(2 x \right)}\right) \left(- x e^{- x} + e^{- x}\right)$$
/ / 2*x \ / 1 \\ -x
|(-2 + x)*(b*sin(2*x) + acos(2*x)) - 4*x*|b*sin(2*x) + -------------| - 4*(-1 + x)*|- ------------- + b*cos(2*x)||*e
| | 3/2| | __________ ||
| | / 2\ | | / 2 ||
\ \ \1 - 4*x / / \ \/ 1 - 4*x //
$$\left(- 4 x \left(b \sin{\left(2 x \right)} + \frac{2 x}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right) + \left(x - 2\right) \left(b \sin{\left(2 x \right)} + \operatorname{acos}{\left(2 x \right)}\right) - 4 \left(x - 1\right) \left(b \cos{\left(2 x \right)} - \frac{1}{\sqrt{1 - 4 x^{2}}}\right)\right) e^{- x}$$
/ / 2 \ \
| | 1 12*x | / 1 \ / 2*x \| -x
|-(-3 + x)*(b*sin(2*x) + acos(2*x)) - 8*x*|------------- + b*cos(2*x) + -------------| + 6*(-2 + x)*|- ------------- + b*cos(2*x)| + 12*(-1 + x)*|b*sin(2*x) + -------------||*e
| | 3/2 5/2| | __________ | | 3/2||
| |/ 2\ / 2\ | | / 2 | | / 2\ ||
\ \\1 - 4*x / \1 - 4*x / / \ \/ 1 - 4*x / \ \1 - 4*x / //
$$\left(- 8 x \left(b \cos{\left(2 x \right)} + \frac{12 x^{2}}{\left(1 - 4 x^{2}\right)^{\frac{5}{2}}} + \frac{1}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right) - \left(x - 3\right) \left(b \sin{\left(2 x \right)} + \operatorname{acos}{\left(2 x \right)}\right) + 6 \left(x - 2\right) \left(b \cos{\left(2 x \right)} - \frac{1}{\sqrt{1 - 4 x^{2}}}\right) + 12 \left(x - 1\right) \left(b \sin{\left(2 x \right)} + \frac{2 x}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right)\right) e^{- x}$$