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Please help with this question.

Please help with this question.-example-1
User Trojanian
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Let's do


\\ \sf\longmapsto 5n^2\geqslant 3000


\\ \sf\longmapsto n^2\geqslant 3000/50


\\ \sf\longmapsto n^2\geqslant 60


\\ \sf\longmapsto n\geqslant √60


\\ \sf\longmapsto n\geqslant 7.32

User Abdul Rafay
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