All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
A little twist (Posted on 2016-10-21) Difficulty: 3 of 5
If a, b are the roots of 2x^2 - 5x + 1 = 0 and

S(n) = a^(2n) + b^(2n)

then find the value of (4*S(2017) + S(2015)) / S(2016)

No Solution Yet Submitted by Danish Ahmed Khan    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re: computer solution.....yes,but... | Comment 2 of 4 |
(In reply to computer solution by Charlie)

..."= 21 for any k, even zero or negative. might be true, but the text does not define S(x) for non-positive values of x thus precluding recursive evaluation of fns(x).

  Posted by Ady TZIDON on 2016-10-21 23:46:36
Please log in:
Remember me:
Sign up! | Forgot password

Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (8)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Copyright © 2002 - 2019 by Animus Pactum Consulting. All rights reserved. Privacy Information