If a2 + a + 1 = 0, then the value of a9 is

1.	If a² + a + 1 = 0, then the value of a⁹ is
A.	2
B.	3
C.	1
D.	0
Answer» D. 0

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If a2 + a + 1 = 0, then the value of a9 is

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If a² + a + 1 = 0, then the value of a⁹ is