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प्रश्न
Write the following set in roster form:
E = The set of all letters in the word TRIGONOMETRY
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उत्तर
There are 12 letters in the word TRIGONOMETRY, out of which letters T, R, and O are repeated.
Therefore, this set can be written in roster form as E = {T, R, I, G, O, N, M, E, Y}.
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