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f(x)=(x^3cos(x/2)+x/1)((4-x^2)^(1/2))

import sympy as sp
import math
from scipy.integrate import quad

cos=math.cos

def f(x):
    return ((x**3*cos(x/2)+(x/1))*(4-x**2)**(1/2))

i = quad(f,-2,2)

print (i)