top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

It is possible that the sum and difference of two irrational numbers can both be rational?

0 votes
202 views
It is possible that the sum and difference of two irrational numbers can both be rational?
posted Sep 27, 2017 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

Yes, it is possible.

(2+√2)+(2-√2) = 4 and (2+√2)-(-2+√2) = 4

But it is for some cases.

answer Dec 30, 2017 by Yasin Hossain Siinan



Similar Puzzles
0 votes

Write 0 and then concatenate the prime numbers in increasing sequence i.e. 0.2357111317192329...
Is this number rational or irrational?

Note: Give your reasoning also...

+1 vote

Is it possible to write down 1,2,3..100 in some order (one after an other), such that the sum of any two adjacent numbers is a prime number?

...