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प्रश्न
Write the following set in the set-builder form:
{5, 25, 125, 625}
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उत्तर
{5, 25, 125, 625}
It can be seen that 5 = 51, 25 = 52, 125 = 53, and 625 = 54.
∴ {5, 25, 125, 625} = {x : x = 5n, n ∈ N and 1 ≤ n ≤ 4}
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