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Unformatted text preview: 2 4 Brand 2 1 1 3 Brand 3 1 1 (a) Find all combination of pills that provide you with the exact daily requirement (no partial pills!). (b) If brands 1, 2, and 3 cost $0.60, $0.40, and $1.00 per pill respectively, nd the least expensive treatment and its cost. 1 3. Given the following matrices and vectors A = 179 6 8 4 4 , B = 37 6 4 1 , u = 1 2 3 , v = 1 7 / 4 , w = 1 / 2 3 / 4 . Compute the following if possible. If not possible, explain in one sentence why. (a) 3 v + 2 B T w . (b) wv T (c) v T w (d) A T B + 2 v T w (e) AB (f) B u (g) BA (h) A 2 4. Determine the matrix A such that: 3 A T 1 324 5 1 T = 4 3 2 42 6 + 3 75 4 9 12 3 T . 5. Draw the following complex numbers in the plane :1 + 2 i,3 + 2 i, (1 + i )(1 + 2 i ) , (2 + i ) 2 , (1 + i )1 . 2...
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 Winter '07
 MUNTEANU
 Calculus

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