Counting & ProbabilityMediumBinomial Theorem, Pascal & Combinatorial Identities ShareBinomial Theorem, Pascal & Combinatorial Identities · Medium problemEvaluate ∑k=052k(5k)\displaystyle\sum_{k=0}^{5}2^k\binom{5}{k}k=0∑52k(k5).Check Show answer Walk through it step by step Practice more like this Review this concept