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🎯Combination
Count ways to select 2 from 4 elements **regardless of order**. Let's find all ways to choose 2 from [1, 2, 3, 4]! There are 6 combinations in total!
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Count ways to select 2 from 4 elements **regardless of order**. Let's find all ways to choose 2 from [1, 2, 3, 4]! There are 6 combinations in total!
A combination is selecting r elements from n elements regardless of order. The same elements in different orders are considered the same combination.