perplexus.info :: Numbers : ab-1 is not a square

ab-1 is not a square (Posted on 2025-04-11)

Let d be any positive integer not equal to 2, 5, or 13. Show that one can find a,b in the set {2,5,13,d} such that ab-1 is not a square.

No Solution Yet Submitted by K Sengupta

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Hi everyone

Comment 1 of 1

The goal of schoolboy runaway is to break free from the confines of the school and explore the outside world.

Edited on April 24, 2025, 11:40 pm

Posted by bindingscorch on 2025-04-24 23:39:17

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