Q. 1424.6( 8 Votes )
13 and 31 is a st
Answer :
Given:
(1) one such pair is 12 and 21
(12)2 = 144 and (21)2 = 441
(1) another such pair is 102 and 201
(102)2 = 10404 and (201)2 = 40401
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