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Polynomial formula

mustish1
mustish1 asked
on
Hi guys: Can you please break it the 2nd line further more as I dont get it the third line.
1.a^3b^0..........

also when it write like
(3)
(0)
is it open by permutation formula or combination

Thanks.

polynomial.jpg
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SILVER EXPERT
Most Valuable Expert 2011
Top Expert 2012

Commented:
(3)
(0)   notation is C(3,0)    combination notation
SILVER EXPERT
Most Valuable Expert 2011
Top Expert 2012

Commented:
Here are some other common notations for combinations
combination-notation.png

Author

Commented:
How to write the permitation notation

Author

Commented:
I know its a P(n,r)=n!/(n-r)!

but how it written in a large brackets?

Thanks.
SILVER EXPERT
Most Valuable Expert 2011
Top Expert 2012

Commented:
Permutations aren't written in the large parentheses notation,  that's combinations.


you can use P where you have C above to denote permutations,  but there isn't a parentheses notation for permutations
SILVER EXPERT
Most Valuable Expert 2011
Top Expert 2012
Commented:
I guess you "could" do something like this....


P(n,r)  =   (n)    =  C(n,r) / r!
               (r)
             _____
                r!



but that's not standard

Author

Commented:
Thanks

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