evaluate the follwing: (1)i457 (2)1/i58
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(1) i⁴⁵⁷=457/4=1(remainder)
Therefore,i⁴⁵⁷=i
(2) 1/i⁵⁸=58/4=2(remainder)
⇒1/i²=1/-1=-1
Therefore,1/i⁵⁸=-1 .
Therefore,i⁴⁵⁷=i
(2) 1/i⁵⁸=58/4=2(remainder)
⇒1/i²=1/-1=-1
Therefore,1/i⁵⁸=-1 .
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