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/sci/ - Science & Math

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1191264 No.1191264 [Reply] [Original]

I was trying to explain Combinations and Permutations to someone about a month ago. I could not adequately explain this, although i know how to work them. Could someone explain the concept behind them in accessible terms, for my own piece of mind?

>> No.1191291

Order doesn't matter in combinations.

if we take 3 fruit from a bowl, then Apple-Pear-Banana is a different permutation to Banana-Apple-Pear. Yet it is the SAME combination.

>> No.1191329

there are combinations where order matters - . -

>> No.1191342

>>1191329
you asked for an easy explanation, stop being difficult.

>> No.1191383

>>1191329
No, those are called permutations. That's the only difference between the two words, order matters with permutations.
abc and cba are the same combination of letters from the alphabet, but they are different permutations.