Mathematics · JEE | MATRICES

What condition must be satisfied regarding the dimensions of matrices \( A \) and \( B \) for the product \( AB \) to be defined?

1. A
   Number of rows of A equals number of columns of B
2. B
   Number of columns of A equals number of rows of B
3. C
   Orders of A and B must be identical
4. D
   Number of rows of A equals number of rows of B