Suppose we want to choose 5 colors, without replacement, from 14 colors. a) how many ways can this be done, if the order of the choices matters? b) how many ways can this be done, if the order of choices does not matter?

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A: Division properties are used to prove it

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A: Use the given information.

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A: (i)

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Q: Find

A: We use definition of Z-Transform.

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