The Procedure Accumulate N Is Similar To Accumulate Except That It Takes As Itsthird 661446

The procedure accumulate-n is similar to accumulate except that it takes as itsthird argument a sequence of sequences, which are all assumed to have the same number of elements.It applies the designated accumulation procedure to combine all the first elements of the sequences, allthe second elements of the sequences, and so on, and returns a sequence of the results. For instance, ifs is a sequence containing four sequences, ((1 2 3) (4 5 6) (7 8 9) (10 11 12)), then the value of (accumulate-n + 0 s) should be the sequence (22 26 30). Fill in the missing expressions in the following definition of accumulate-n:

(define (accumulate-n op init seqs)

(if (null? (car seqs))


(cons (accumulate op init <??>)

(accumulate-n op init <??>))))


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