AIEEE 2008 Solved Paper

Section: Mathematics

Question : 89 of 104

Marks: +1, -0

Let a,b,c be any real numbers. Suppose that there are real numbers x,y,z not all zero such that x=cy+bz,y=az+cx, and z=bx+ay. Then a2+b2+c2+2abc is equal to

[AIEEE 2008]

2
−1
0
1

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−1	c	b
c	−1	a
b	a	−1