quiz10-soln - Math 221 Winter 2016 Section 202 Page 1 of 3...

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Unformatted text preview: Math 221, Winter 2016, Section 202 Page 1 of 3 Quiz X March 30, 2017 No books. No notes. No calculators. No electronic devices of any kind. Name total/ 10 III: Student Number Problem 1. (4 points) Find a unit vector perpendicular (orthogonal) to the plane spanned by the two vectors \ _’1 [-1 WW W3 “(‘0‘)” ”L‘lH ' T1 ' 7" S“ LL“ N Math 221, Quiz X Page 2 of 3 Problem 2. (6 points) Find an orthonormal basis of R2 consising of eigenvectors of the symmetric matrix (‘2’ 3)- \-x Z -. -xbfl—h Kim—H = (WWW) . X.” 2 3A E“: NJ. (2: j") : 59a" [5-) E1 -N‘1(; :\ : 9?” (it) TL“ ern-o (IZ\I ('2') ‘Cme (x ham} «3 {9} (“ma (Mt o‘WnysuQ (LW (EI\" 11:0 (3. % X15" . ...
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