maddiem1038 maddiem1038
  • 25-05-2023
  • Mathematics
contestada

Let A be a general matrix. Show the following results.
(a) (4) Col AT = (Nul A)+.
(b) (4) (Nul A) = (Nul A¹ A)+.
(c) (4) AT Ax= Ab is always consistent.

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