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JEE MATHEMATICS MCQ: PERMUTATIONS

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Application +4 | -1

The number of non-negative integral solutions of

a+b+c+d=n, n \in N

, is

View answer and explanation

Correct option: B

\frac{(n+1)(n+2)(n+3)}{6}

Option B (

\frac{{(n+1)(n+2)(n+3)}}{{6}}

) is correct because it represents the number of non-negative integral solutions for the given equation using stars and bars method.

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