Permutations And Combinations

Question
CBSEENMA11014248

Convert the following to factorials:

1 times 3 times 5 times 7 times 9 times........... space left parenthesis 2 straight n minus 1 right parenthesis




Solution

Solution not provided.
Ans. fraction numerator left parenthesis 2 straight n right parenthesis space factorial over denominator 2 to the power of straight n. space straight n factorial end fraction

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