A) 0
B) 1
C) \[-1\]
D) None of these
Correct Answer: B
Solution :
\[(1+\omega )(1+{{\omega }^{2}})(1+{{\omega }^{4}})(1+{{\omega }^{8}})......\]upto \[2n\] factors \[=(-{{\omega }^{2}})(-\omega )(1+\omega )(1+{{\omega }^{2}}).....\]upto \[2n\] factors \[=1.1.1.....\]upto \[n\] factors = 1You need to login to perform this action.
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