supplement to BOB p2-1 - Supplement to BOB (page 2) 7.9,...

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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: "!! !"! !!" !! ! !!! !!! !!! %! * ßßß 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 × ÕØ Õ Ø B $D  #! C D ' DD œ 7.3, #11 Ditto. × Ø B C D œ C D C D "$" ### 7.3, #13 Ditto. × ÖÙ Ö Ù Ù Ø A" B C # D CC œ 7.4, #2 A basis for the row space is , . (Other bases are possible.) cd c d )#& !#" * A basis for the column space is , . (Other bases are possible.)
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