||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{#method 1
from scipy.optimize import fsolve
import numpy as np

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

fsolve(f, np.random.rand(2))}}}

#method 2
var('x')
f(x) = x**2 - 3*x + 1
solve([f(x) == 0], x)
/* code_ends */

 * '''Solution by''': 
   * phanindra, student, nmrec
   * rajeev, student, snist