106The answer is [(2+√3)^5 + (2-√3)^5 - 1]
5 Answers
62subash, it seems that the question of the last day was not clear to you?
It is the same...
11yesterdays q was clear
but here my doubt is why cant it be
(2+√3)5-(2-√3)5
106if you consider subtracting the terms please expand and see what you get. You will get an expression which will contain √3. It will be irrational