[FLOOR(1/2)+ CEILING(1/2)] + [FLOOR(2/2)+ CEILING(2/2)] + [FLOOR(3/2)+ CEILING(3/2)] + ... + [ FLOOR(n/2)+ CEILING(n/2)] = O a. (n^2)/2 O b. (n^3)/2 O c. (n+n^3)/2 O d. (n+n^2)/2 O e. None of the Given Choices Of. (n^2+n^3)/2

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