Question
If α is a root of x2 + x + 1 = 0 satisfying (1 + α)7 = a + bα + cα2, then the ordered triplet (a, b, c) is
Options :
(2, 3, 4)
(1, 3, 5)
(–1, 5, 4)
(1, 3, 5)
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