Mechanical Engineering > GATE 2014 SET-3 > Linear Algebra
Consider a 3×3 real symmetric matrix S such that two of its eigenvalues are 
with respective eigenvectors
. If a≠b then x1y1 + x2y2 + x3y3 equals
with respective eigenvectors
. If a≠b then x1y1 + x2y2 + x3y3 equalsCorrect : 0
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