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Sets — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsSets1 Mark
Question
Write the set in the set-builder form: {5, 25, 125, 625}
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Answer

Let C = {5, 25, 125, 625}
All objects of the set are natural numbers that are powers of 5.
$\therefore C = \{ x:x = {5^n},n \in N\,and\,\,1 \leqslant n \leqslant 4\} $

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