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Unformatted text preview: for which solutions exist? c. Let x 1 = + ! 1 , x 2 = + 2 , x 3 = + 3. Write the equation A " = c in the form B x = d . What is B? Solve for x . d. Let x 1 = + 1 , x 2 = 2 " 1 , x 3 = 3 " 1. Write the equation A # = c in the form B x = d . What is B? Solve for x . e. Let i = ( 1 + 2 + 3 )/ 3. Explain why ( 1 " i ) + ( 2 " i ) + ( 3 " i ) =...
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This note was uploaded on 04/16/2008 for the course EDUCATION 771 taught by Professor Keller during the Fall '08 term at UMass (Amherst).
 Fall '08
 KELLER

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