Mathematics
The elements of the set {x : x ∈ Z and x2 ≤ 9} are :
3 and -3
{-3, -2, -1, 0, 1, 2, 3}
-2, -1, 0, 1 and 2
-3, -2, -1, 0, 1, 2 and 3
Sets
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Answer
Set = {x : x ∈ Z and x2 ≤ 9}
x2 = 0
x = 0
x2 = 1
x = 1 or -1
x2 = 4
x = 2 or -2
x2 = 9
x = 3 or -3
Set = {-3, -2, -1, 0, 1, 2, 3}
Hence, option 2 is the correct option.
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