Combination and Permutation Formula?

Answer

A permutation is one of the different arrangements of a group of items where order matters and it is denoted by the formula P (n,r)=n!/(n-r)!. A combination on the other hand is one of the different arrangements of a group of items where order does not matter and it is denoted by the formula C (n,r)=n!/r!(n-r)!.
Q&A Related to "Combination and Permutation Formula?"
If n is a number of items and we need to choose r items out of the n without placing them back into the set then this can be done in nPr ways. This is the number of permutations of
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Could you be a little more descriptive? Thank you for using
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The combination formula is usually written as. n. C. r. representing the number of combinations of r objects at a time taken from n. n. C. r. = n!/[r!n-r) The permutation formula
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1. Define a combination. A combination is the number of ways that objects can be arranged, in which order of the objects does not matter. This means that AB is not a different way
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