# Question: write each of the following sets by listing its elements...

###### Question details

Write each of the following sets by listing its
elements within braces.

(a) B ={n ∈ Z : n2 < 5}

(b) C ={n ∈ N : n3 < 100}

(c) D ={x ∈ R : x2 − x = 0}

(d) E ={x ∈ R : x2 + 1 = 0}.