Assume x contains at least one row and at least one column and j is a...

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Assume x contains at least one row and at least one column and j is a valid index in x. In plain English, what is being retur

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Answer 1

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the sum of values in row at index j in x

Explanation:-

sum up the columns of rows at jth index to p

and return p

p+= x[j][0] + x[j][1]+.....+x[j][x[j].length-1]

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Answer 2

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