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∑ ∑ ∑ ∑ n

0≤i≤j≤k≤l≤n

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is equal to

(a) n+1C4 (b) n. n+1C4 (c) n+1C3 (d) n.(n+1)

Hii

As you can see that the order is not given in which the variables are present in the summation series. Kindly provide those and then we will get back to you with the solution.



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