Question

Se considera multimea
$A={ \sqrt{1} ; \sqrt{2};...; \sqrt{2013}$
A intersectat Q=?

Answer 1

A∧Q ∈ {√(n²)}
n² ∈ {1,4,9,16,25,36,49,64,............1936}
A∧Q = { -44, -43..........-1, 1,2,3......44}