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If omega is an imaginary cube root of un...

If `omega` is an imaginary cube root of unity than `(1+omega-omega^(2))^(7)=`

A

a.`128 omega`

B

b.`-128 omega`

C

c.`128 omega^(2)`

D

d.`-128 omega^(2)`

Text Solution

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The correct Answer is:
D
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HIMALAYA PUBLICATION-COMPLEX NUMBERS-QUESTION BANK
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