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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pramodpandey | College Teacher | (Level 3) Valedictorian

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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.