Answered

using a rule method in algebra {1, 4, 9, 16, 25}

Sagot :

{x/x=y², y is a natural number from 1 to 5, 1 ≤ y ≤ 5}

Solution:
y², 1 ≤ y ≤ 5

1² = 1
2² = 4
3² = 9
4² = 16
5² = 25