Question

the number 9,10,11 is Pythagorean triplet or no. why no? Plz give me answer in image in step by step​

Answer 1

(2m),m^2+1,m^2-1 always form a pythagoran triplet.

If we take 9 as 2m then m = 4.5

4.5^2+1=21.25

Hence, they are not pythagorean triplet