Q3 of 145 Page 4

Write the following sets in roster from:

H = {x : x is a perfect square and x < 50}.


Perfect squares are:

02 = 0


12 = 1


22 = 4


32 = 9


42 = 16


52 = 25


62 = 36


72 = 49


82 = 64 > 50


The elements which are perfect square and x < 50 are 0, 1, 2, 3, 4, 5, 6, 7


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