Matrices and Determinants Part 1
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Question : 83 of 100
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Let a , b , c be any real numbers. Suppose that there are real numbers x , y , z not all zero such that x = c y + b z , y = a z + c x , and z = b x + a y . Then a 2 + b 2 + c 2 + 2 a b c is equal to
[AIEEE 2008]
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