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I. ENUMERATION: Give the correct formula for the following: ​

I ENUMERATION Give The Correct Formula For The Following class=

Sagot :

answer:

3. nPr = n!

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(n - r )!

4. (n-1)! or (n-1)!

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2

5. nCr = n!

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r! (n-r)!

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Pa- brainliest naman