# If A and B are 7x6 matrices, and C is a 4x7 matrix, which of the following are defined? A. AC B. C-A C. A^T (transpose) D. A-B E. CA F. A^TC^T

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### 1 Answer

C. A transpose is defined

D. A-B is defined because both matrices are camparable .

E. CA is matrix of order (4x6) , number of columns in C is same as number of rows in A.

F. A^TC^T , number of columns in A^T is same as number of rows in C^T.