when and where to do multiplication and addition in permutation.
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Step-by-step explanation:
In permutation if factorial is not cancel out we must multiply. Example 3! = 3x2x1 = 6
Answered by
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Answer:
Step-by-step explanation:
When you rearrange the order of the set. For example:
1+2+3 can become 2+3+1 or 3+1+2 or 2+1+3 and so on
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