Question

1) The scalar matrix and identity matrix are------------matrices. ii) Two matrices are said to be multiplicative inverse of each other only if----- iii) Inverse of the identity matrix is ----------- iv) Every diagonal matrix is not a ------ or a-- v) Given matrix (A + A') is said to be skew symmetric if---------- vi) In general Commutative Law under multiplication in matrices ----


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Answer 1

Answer:

1- diagonal ¡¡ AB=BA=l ¡¡¡ identity matrix ¡v scalar or identity matrix v (A+A^t)^t =-(A+A^t) v¡ AB is not equal to BA