Let A be a matrix with linearly independent columns. Prove the following: (a) (cA)+ = ( l/c)A+
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(a) (cA)+ = ( l/c)A+ for all scalars c ≠ 0.
(b) (A+)+ = A if A is a square matrix.
(c) (AT)+ = (A+)T if A is a square matrix.
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a cA cA T cA 1 cA T 1c 2 A T A 1 cA T 1c A T A 1 A T 1 cA T b B...View the full answer
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