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Evaluate the following: i93 - Mathematics and Statistics

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Question

Evaluate the following: i93 

Sum

Solution

We know that, i2 = – 1, i3 = – i, i4 = 1
i93 = (i4)23.i
= (1)23 .i
= i

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Imaginary Number
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Chapter 3: Complex Numbers - EXERCISE 3.1 [Page 38]

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