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The conjugate of $i^{13}+i^{14}+i^{15}+i^{16}$ is

\[\begin{array}{1 1}(1)1&(2)-1\\(3)0&(4)-i\end{array}\]

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$i^n+i^{n+1}+i^{n+2}+i^{n+3}=0$
$i^{13}+i^{14}+i^{15}+i^{16}=0$
The conjugate of 0 is 0.
answered May 15, 2014 by meena.p
 
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