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Tryingtodowell

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How do u do this
Note: Imagine you are doing this question with no idea what perms and combs are and that the only thing u learnt prior to doing these questions was the pascals triangle and binomial theorem

thankssss
 
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cossine

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How do u do this
Note: Imagine you are doing this question with no idea what perms and combs are and that the only thing u learnt prior to doing these questions was the pascals triangle and binomial theorem

thankssss
You have made no attempt.

How do you plan on understanding binomial theorem if you don't know about permutations? The question requires an understanding of perms and combs
 

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