If \[\omega (\ne 1)\]is a cube root of unity and \[{{(1+\omega )}^{7}}=A+B\omega \], then \[A\] and \[B\] are respectively, the numbers [IIT 1995]

If \[\omega (\ne 1)\]is a cube root of unity and \[{{(1+\omega )}^{7

1.	If \[\omega (\ne 1)\]is a cube root of unity and \[{{(1+\omega )}^{7}}=A+B\omega \], then \[A\] and \[B\] are respectively, the numbers [IIT 1995]
A.	0, 1
B.	1, 0
C.	1, 1
D.	\[-1,\ 1\]
Answer» D. \[-1,\ 1\]

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If \[\omega (\ne 1)\]is a cube root of unity and \[{{(1+\omega )}^{7}}=A+B\omega \], then \[A\] and \[B\] are respectively, the numbers [IIT 1995]

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