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Mr. Dubey • 52.74K Points
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Q. Which of the following methods can be used to find the nth Catalan number?

(A) recursion
(B) binomial coefficients
(C) dynamic programming
(D) recursion, binomial coefficients, dynamic programming
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Explanation by: Mr. Dubey 
 all of the mentioned methods can be used to find the nth catalan number.

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