If the number of rows and columns of a matrix are not equal, then the matrix is called ___ matrix.
If the number of rows and columns of a matrix are not equal, then the matrix is called a rectangular matrix.
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If the number of rows and columns of a matrix are not equal, then the matrix is called __ matrix.
Identify the correct statements:
(i) A matrix with 3 columns and 2 rows is of order 3×2. (ii) A matrix with 5 columns and 8 rows is of order 8×5 (iii) If the order of a matrix is 4×3, then it has 12 elements. (iv) If the order of a matrix is 5×3, then it has 10 elements.