module MathRootHelper

# File lib/math_root_helper/root.rb, line 6
def self.cube_root(num)
  (num**(1.0/3)).round(14)
end

# File lib/math_root_helper/root.rb, line 10
def self.nth_root(n, num)
  if n == 0
    "Infinity"
  else
    (num**(1.0/n)).round(14)
  end
end

# File lib/math_root_helper/root.rb, line 2
def self.square_root(num)
  (num**(1.0/2)).round(14)
end