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Let a, b, c be any real numbers. Suppose t...
Let a, b, c be any real numbers. Suppose t...
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
a.
2
b.
-1
c.
0
d.
1
Asked By :
sasikumar
Categories :
AIEEE
,
mathematics
,
simplification
Answer:
d. 1
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