If $\omega(\neq 1)$ is a cube root of unity, and $(1+\omega)^{7}=\mathrm{A}+\mathrm{B} \omega$. Then $(\mathrm{A}, \mathrm{B})$ equals :-
(1, 0)
(–1, 1)
(0, 1)
(1, 1)
Correct Option: , 4
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