a, I = { 0 ; 1 ; 4 ; 9 ; 16 ; 25 }
I = { x = n . n | n ϵ N , n < 6 }
b, K = { 0 ; 2 ; 6 ; 12 }
K = { x = n . ( n + 1 ) | n ϵ N , n < 5 }
\(a.\)
\(I=\text{{0;1;4;9;16;25}}\)
\(I=\) { \(x=n.n\) | \(n\in N,n< 6\)}
\(b.\)
\(K=\left\{0;2;6;12\right\}\)
\(K=\) { \(x=n.\left(n+1\right)\)| \(n\in N,n< 5\)}