Let k denote the positive square root of 2.
What is the 144-th digit of (-1+k) ²⁰¹⁷ ?

I found this problem with some other parameters – same level of difficulty !


So, hold your breath, do not rush to omnipotent computer, – use your brains,
an easy trick does it.

(In reply to re(2): Answer by chun)

Correct.

Posted by Ady TZIDON on 2017-08-15 10:00:41