Permutations And Combinations


Convert the following to factorials:

(n + 1) (n + 2) (n + 3) ........ (2n)


Solution not provided.
Ans. fraction numerator left parenthesis 2 straight n right parenthesis factorial over denominator straight n factorial end fraction

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Some More Questions From Permutations and Combinations Chapter

Determine K, so that K + 2, 4K – 6 and 3K – 2 are three consecutive terms of an A.P.