Add [[1,1,9],[1,1,7],[1,-2,2]]

Problem

[[1,1,9],[1,1,7],[1,−2,2]]

Solution

1. Identify the task as the summation of the elements within the provided matrix or list of vectors.

2. Sum the elements of the first row: 1 + 1 + 9 = 11$.

3. Sum the elements of the second row: 1 + 1 + 7 = 9$.

4. Sum the elements of the third row: 1 + (-2) + 2 = 1$.

5. Calculate the total sum by adding the results of the individual rows: 11 + 9 + 1 = 21$.

Final Answer

1+1+9+1+1+7+1−2+2=21

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