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how many different combinations. For an in-depth explanation of the formulas please visit Combinations and Permutations. Enter your objects or the names of them one per line in the box below then click Show me to see how many ways they can be arranged and what those arrangements are.
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Left n- rright C rn. C r n n. In our case we get 336 permutations from above and we divide by the 6 redundancies for each permutation and get 3366 56.
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The number of ways or combinations in which r objects can be selected from a set of n objects where repetition is not allowed is denoted by. And how many different combinations are there. Actually these are the hardest to explain so we will come back to this later. For more help consider these other lessons on combinations or this page that explains the difference between a combination and a permutation.
