perplexus.info :: Just Math : Lucas squares

Lucas squares (Posted on 2013-12-15)

Let n be an integer, and let (L_n) signify the nth Lucas Number.

((L_n)²+(L_n+1)²)² - 5((L_2n+2)*(L_2n)-1) = 0

Prove it!

See The Solution Submitted by broll

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re(5): Long solution.

Comment 6 of 6 |

(In reply to re(4): Long solution. by Jer)

Quite.

In which case I shall use the longer version, to be on the safe side.

Posted by broll on 2013-12-17 22:39:34

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