Question: Which of the implementations of method modify below set all elements of the matrix x to zero? 1 . void modify ( int * *

Which of the implementations of method modify below set all elements of the matrix x to zero?
1. void modify(int **x, int m, int n){
for (int i =0; i < m; i++){
for (int j =0; j < n; j++){
x[i][j]=0;
}
}
}
2. void modify(int x[5][5], int m, int n){
for (int i =0; i < m; i++){
for (int j =0; j < n; j++){
x[i][j]=0;
}
}
}
3. void modify(int *x[], int m, int n){
for (int i =0; i < m; i++){
for (int j =0; j < n; j++){
x[i][j]=0;
}
}
}

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