question from permutations and combinations

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asked May 8, 2017 in Mathematics by minalan (67 points) 1 1 6

1.  24C0 - 24C1 +24C2 - 24C3 +...- 24C15+24C16 =

(A)24C8

(B)24C7

(C)23C8

(D)23C7

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