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[" 16."((-1+i sqrt(3))^(15))/((1-i)^(20)...

[" 16."((-1+i sqrt(3))^(15))/((1-i)^(20))+((-1-i sqrt(3))^(15))/((1+i)^(20))" is equal to "],[[" (a) "32," (b) "64],[" (c) "-64," (d) None of these "]]

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