TS EAMCET · Maths · Complex Number
When ,
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Given that, n=8 3+i8+3-i8=3+i24+3-i24 =3-1+23i4+3-1-23i4 =2+23i4+2-23i4 =241+3i4+1-3i4 =241+43i+63i2+43i3+3i4+1-43i+63i2-43i3+3i4 =241-18+9+1-18+9 =24-16 ∴ 3+i8+3-i8=-256
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