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0 votes
1.2k views
in Permutations and Combinations by (47.9k points)

47C4\(\sum_{t=1}^{5}\)52 - rC3 is equal to:

(A) 51C4

(B) 52C4

(C) 53C4

(D) none of these

1 Answer

+1 vote
by (46.2k points)
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Best answer

Answer is (B)

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