5. How many arrangements are there of 1,1,1,1,1,2,3,3 with the 2 not beside either 3. Why...

Question

Question

5. How many arrangements are there of 1,1,1,1,1,2,3,3 with the 2 not beside either 3.

Why the answer is 2x6!/4!2! + 6!/3!2! ?

Answer 1

Answer #1

I lf 2 is at the left end or at the right end of the poormuthton we chouse 2 of 6 spots where we put the 3s which can be - d

Answer 2

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