permutations: a person must deliver packages to 6 different locations, if the order is randomly determined how many routes are possible if the exact opposite route does not count as a different route?

Question

anonymous · Answer

how did u approach this problem ?

anonymous · Answer

no idea.

anonymous · Answer

abcdef but fedcba doesnt count as different?

anonymous · Answer

Remember the permutation rule?
$$^nP_r$$
So what you can do with it is:
$$^6P_6$$
This will allow you to get ALL the permutations

anonymous · Answer

ouch, ouch, ouch!

anonymous · Answer

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