Q68
What does the following piece of code do? for(int i = 0; i < row; i++) for(int j = 0; j < column; j++) if(i == j) sum = sum + (array[i][j]); System.out.println(sum);
A.
Normal of a matrix
B.
Trace of a matrix
AnswerC.
Square of a matrix
D.
Transpose of a matrix
Answer: Option B
Solution
Answer: Option B
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