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coprime unit fractions (
Posted on 20200306
)
There are 3 positive integers a, b, c such that 1/c=1/a+1/b. If the greatest common divisor of a, b, c is 1, then what type of number must a+b be(e.g square number, cube number, triangular number...)?
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Submitted by
Danish Ahmed Khan
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Subject
Author
Date
proof it's square
xdog
20200309 13:03:49
re(2): Possible solution, first posting
broll
20200308 13:33:48
re: Possible solution, first posting
xdog
20200308 12:38:48
Possible solution
broll
20200307 22:46:30
Possible solution
broll
20200307 22:46:27
re: a solution
tomarken
20200306 10:03:30
a solution
xdog
20200306 09:38:41
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