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Figuring Forty-Nine and Sequence (Posted on 2016-10-25) Difficulty: 3 of 5
Find all possible triples (P, Q, R) of positive integers satisfying both of the following conditions

49, P2 and Q2 (in order) are in arithmetic sequence with common difference > 0 , and:

49, Q2 and R2 (in order) are in arithmetic sequence with common difference > 0

Prove that there are no others.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
No Subjectxdog2016-10-25 12:05:03
Some ThoughtsNo proof, but ...Charlie2016-10-25 09:18:28
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