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Question

The value of (1+i)6+(1i)6 is
[RPET 2002]

A

0

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B

27

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C

26

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D
None of these
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Solution

The correct option is A

0


(1+i)6+(1i)6=[(1+i)2]3+[(1i)2]3
(2i)3+(2i)3=(88)i3=0.

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