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Find the only positive integer n such that row n of Pascal's Triangle contains three successive entries with the ratio 5:6:7

Remember that row n of Pascal's Triangle begins with the entries 1,n.

I don't understand the question well so Im having trouble making an approach to this.

 Sep 5, 2022
 #1
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The value of n is 28.

 Sep 5, 2022
 #2
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Could you please explain how you got 28 so i can understand better?

 Sep 5, 2022
 #3
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Ahh, an interesting question. Let's go through this step by step. What can you say about the numbers on the nth row of the pascal triangle?

 Sep 5, 2022

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