Question

Is 5,7,9 a pythagorean triplet. ?Why?Justify

Answer 1

A "Pythagorean Triple" is a set of positive integers, a, b and c that fits the rule:

a2 + b2 = c2

then 5;7;9

5 square+ 7 square = 9 square

25+49 = 81

74 = 81

then 5;7;9 not Pythagorean triplet

Answer 2

No it is not a pythagorean triplet as In this triplet the formula is 2m,m-1,m+1 and the number5,7,9donot fit in this triplet,as according to this triplet the numbers will be :

if m=5

then,2m=5×2=10

m-1=5-1=4

m+1=5+1=6

The no. will be 10,4,6