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Permutations And Combinations

Question
CBSEENMA11014276

If straight alpha space equals space straight C presuperscript straight m subscript 2 comma find the value of straight C presuperscript straight alpha subscript 2.

Solution

Solution not provided.
Ans. fraction numerator left parenthesis straight m plus 1 right parenthesis space left parenthesis straight m right parenthesis space left parenthesis straight m minus 1 right parenthesis left parenthesis straight m minus 2 right parenthesis over denominator 8 end fraction

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