Module: Newtest

Defined in:
lib/newtest.rb,
lib/newtest/version.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

NOTICE =

Your code goes here…

'Hello, I''m Q'
GUIDE = 
%Q{Newtest.giaiPT1 -> Giai PT bac 1 - - - Newtest.giaiPT2 -> Giai PT bac 2}
VERSION = 
"0.0.4"

Class Method Summary collapse

Class Method Details

.giaiPT1(a, b, c) ⇒ Object 



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# File 'lib/newtest.rb', line 8

def self.giaiPT1(a,b,c)
	if a==0
		if b==0
			puts 'PT VSN'
		else
			puts 'PT VN'
		end
	else
		puts %Q{Nghiem cua PT la: #{-b}/#{a}}
	end
end

.giaiPT2(a, b, c) ⇒ Object 



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# File 'lib/newtest.rb', line 19

def self.giaiPT2(a,b,c)
  d = (b*b) - 4*a*c
  if d<0
    puts "PT VN"
  elsif d==0
    puts %Q{PT co nghiem kep: #{-b}/#{2*a}}
  else
    e = Math.sqrt(d)
    puts %Q{PT co nghiem 1: #{-b} - #{e}/#{2*a}}
    puts %Q{PT co nghiem 2: #{-b} + #{e}/#{2*a}}
  end
end