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supplement to BOB p2-1 - Supplement to BOB(page 2 7.9#10b...

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Supplement to BOB (page 2) 7.9, #10b basis: sin cos B dimension: 2 7.9, #12b general element: + , - %. ! *. œ +  ,  -  . " ! ! ! " ! ! ! " ! ! ! ! ! ! ! ! ! ! ! ! % ! * basis: • ” • ” • ” " ! ! ! " ! ! ! " ! ! ! ! ! ! ! ! ! ! ! ! % ! * ß ß ß dimension: % 7.3, #8 no solution 7.3, #9 BOB's answer is correct. Here is another way to denote the same set of solutions. Ô × Ô × Õ Ø Õ Ø B $D  #! C D  ' D D œ 7.3, #11 Ditto. Ô × Ô × Õ Ø Õ Ø B C D œ C  D  C D " $ " # # # 7.3, #13 Ditto. Ô × Ô × Ö Ù Ö Ù Ö Ù Ö Ù Õ Ø Õ Ø A " B C  #D C C D D œ 7.4, #2 A basis for the row space is , . (Other bases are possible.) c d c d ) # & ! # "* A basis for the column space is
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