write in set builder form: {1, 4, 9 … 100}

It can be seen that 1 = 12, 4 = 22, 9 = 32 …100 = 102.

{1, 4, 9… 100} = {x: x = n 2, n Î N and 1 ≤ n ≤ 10}

how here n belongs to N

n here belongs to natural numbra and they r those starting from 1 upto infinity
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