Question

check if 32,255,257 is a Pythagorean triplet or not

Answer 1

Yes ,it is a pythagorean triplet.
Since,
(32^2)+(255^2)=(257^2)

Answer 2

for being a pythagorean triplet sum of squares of 2 numbers should be equal to the third number
hence,  32^2+255^2
=1024+65025
=66049
and 257^2=66049
it implies that lhs=rhs
therefore it is a pythagorean triplet

hope it helps u............