If \( w(\neq 1) \) be a cube root of unity and \( (1+w)^{7}=A+B w \), then \( A \) and \( B \) a...

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If \( w(\neq 1) \) be a cube root of unity and \( (1+w)^{7}=A+B w \), then \( A \) and \( B \) are respectively the numbers:
(A) 0,1
(B) 1,1
(C) 1,0
(D) \( -1,1 \)
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