Q. 5 C4.1( 56 Votes )
List all the elements of the following sets:
C = {x : x is an integer, x2 ≤ 4}
Answer :
Integers are ……-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8
x2 = 4
x= 
2
so 
(0)2= 0
(1)2 = 1
(2)2= 4
(-2)2 = 4
(-1)2 =1
The elements of the set are -2, -1, 0, 1, 2
C= {-2, -1, 0, 1, 2}
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