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[" If "LC(0)+C(1)+C(2)+...+C(n)=256," th...

[" If "LC_(0)+C_(1)+C_(2)+...+C_(n)=256," then "^(2n)C_(2)" is equal to "],[[" (a) "56," (b) "120," (c) "28," (d) "91]]

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IF C_(0)+C_(1)+C_(2)+...+C_(n)=256, then ^2nC_(2) is equal to

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