If a, ß are the roots of x2 + px + q = 0, and w is an imaginary cube root of unity, then value of
(wa+w^2B)(w^2a+wB) is
(a)p^2
(b) 3q
(c) p^2 – 2q
(d) p^2 - 3q
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Answer:
(c)
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