2023 IOQM/Problem 11: Difference between revisions
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Thus the maximum value of <math>|m-n|=\boxed{14}</math>. | Thus the maximum value of <math>|m-n|=\boxed{14}</math>. | ||
~Lakshya | ~ Siddharth Singh lol Lakshya if u seein this I'm trollin | ||
Latest revision as of 11:26, 1 September 2024
Problem
A positive integer 
haas the property that 
is expressible in the form 
, where n is an integer. Find the maximum value of 
.
Solution
. Now we try to complete the square, multiplying by 
and 
won't complete the square but on multiplication with 
we get 
or 
.
: 
and 
and 
, 
.
: 
and 
and 
,.
: 
and 
and 
, 
.
: 
and 
and 
, 
.
: 
and 
and 
, 
.
: 
and 
and 
,
: 
and 
and 
, 
.
: 
and 
and 
, 
.Other cases in which the value of 
and 
interchange, the values of m and n will not change in those cases.
Thus the maximum value of 
.
~ Siddharth Singh lol Lakshya if u seein this I'm trollin
