Question

Given universal set = {n x ∈ Z : -6 < x ≤ 6}, N = {n : n is a non-negative number}

and 

P= {x : x is a non-positive number}

Find : (i) N' (ii) P'

Answer 1

Universal set = {n x ∈ Z : -6 < x ≤ 6},