TS EAMCET · Maths · Complex Number
If is a complex cube root of unity, then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given that 1-ω+ω26+1-ω2+ω6 We know that 1+ω+ω2=0 & ω3=1 =-2ω6+-2ω26 =64ω6+64ω12 we know that ω3n=1. Required value=64+64=128.
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