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[" Question No."22],[qquad [((1+i)/(sqrt...

[" Question No."22],[qquad [((1+i)/(sqrt(2)))^(8bar(n))+((1-i)/(sqrt(2)))^(8n)],[" (a) "0," (b) "1],[" (c) "2," (d) "-1]],[" A "]

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