Question

Write a pythagorean triplet whose one no. Is 15

Answer 1

15 square + 8 sqaure = 17 sqaure

Answer 2

You can use this formula  

m -{1,² 2 mm + 1²

use 15 as m

in 2m multiply 15

in m+1 sq use 15 as m

15 square + 8 square = 17 square

(8,17 and 15. two number are 8 and 17)