polynomial.py

Created on March 04, 2020

308 Bytes

from math import *
# roots(a,b,c) computes the solutions of the equation a*x**2+b*x+c=0
def roots(a,b,c):
  delta = b*b-4*a*c
  if delta == 0:
    return -b/(2*a)
  elif delta > 0:
    x_1 = (-b-sqrt(delta))/(2*a)
    x_2 = (-b+sqrt(delta))/(2*a)
    return x_1, x_2
  else:
    return None

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