Difference between revisions of "Talk:2011 AIME I Problems/Problem 12"
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denominator: n+3 | denominator: n+3 | ||
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| + | ==Solution is incorrect== | ||
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| + | I don't see where <math>\dbinom{n+3}{3}</math> or <math>\dbinom{n+2}{2}</math> came from. I'm getting <math>\dbinom{n+1}{3}</math> and <math>\dbinom{n+1}{2}</math>, respectively. Case 2 is identical to cases 3 and 4. In case 1, the number of women is still the same, only that we are adding more dividers. The number of possible dividers that could potentially be added is the same. | ||
== Mistake == | == Mistake == | ||
If you actually solve the inequality at the end by hand with the quad. formula, you get 593 as the answer. | If you actually solve the inequality at the end by hand with the quad. formula, you get 593 as the answer. | ||
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| + | The solution itself is incorrect - hesa57 | ||
Revision as of 10:55, 2 March 2016
I think in the solution of this problem some cases are repeated and correct answer
denominator: n+3
Solution is incorrect
I don't see where 
or 
came from. I'm getting 
and 
, respectively. Case 2 is identical to cases 3 and 4. In case 1, the number of women is still the same, only that we are adding more dividers. The number of possible dividers that could potentially be added is the same.
Mistake
If you actually solve the inequality at the end by hand with the quad. formula, you get 593 as the answer.
The solution itself is incorrect - hesa57
