The equation ax + a^2 y + z = 0 , bx + b^2 y + z = 0 and cx + c^2 y + z = 0 have only solution (0, 0, 0) . If t

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Q 1277412386.     The equation ax + a^2 y + z = 0 , bx + b^2 y + z = 0 and cx + c^2 y + z = 0 have only solution (0, 0, 0) . If the coefficients a, b, c are in G. P. , then the common ratio of G.P. cannot be equal to
A

-2

B

2

C

-1

D

-3

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