Question
Write the setin the set-builder form:{1, 4, 9, . . . , 100}

Answer

Let E = {1, 4, 9, ....., 100}
All objects ofthe set are perfect squares.
$\therefore D = \{ x:x = {n^2}\,and\,\,1 \leqslant n \leqslant 10\} $

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