Problem:

Find an indefinite integral (which can vary by a constant) of the following function:

$-\frac{52}{3} e^{-\frac{2}{3} \left(13 x^2+4\right)} x$

import math

from sympy import *

x = symbols('x')
f = -(52/3)*math.e**(-(2/3)*(13*x**2+4))*x
print(integrate(f, x))
