[ Read the following questions carefully and choose the right answer. ]An n x n array v is defined as follows; v(i, j)=i-j for all i, j, 1<=n, 1<=j <=n The sum of the elements of the array v is

[ Read the following questions carefully and choose the right answer. ]

An n x n array v is defined as follows; v(i, j)=i-j for all i, j, 1<=n, 1<=j <=n

The sum of the elements of the array v is

B n-1

C n² - 3n + 2