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प्रश्न
Evaluate the following:
i457
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उत्तर
\[\left( i \right) i^{457} = i^{4 \times 114 + 1} \]
\[ = \left( i^4 \right)^{114} \times i \]
\[ = i \left( \because i^4 = 1 \right)\]
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