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MathNet 2004 — Part 02 Question 182

Math Olympiad Vault · MathNet 2004 — Part 02

Question 182

Find the value of
$$
\binom{6}{1} 2^{1}+\binom{6}{2} 2^{2}+\binom{6}{3} 2^{3}+\binom{6}{4} 2^{4}+\binom{6}{5} 2^{5}+\binom{6}{6} 2^{6} .
$$