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Counting & ProbabilityEasyBinomial Theorem, Pascal & Combinatorial Identities

Binomial Theorem, Pascal & Combinatorial Identities · Easy problem

Evaluate (40)(32)+(41)(31)+(42)(30)\binom{4}{0}\binom{3}{2}+\binom{4}{1}\binom{3}{1}+\binom{4}{2}\binom{3}{0}.