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Question: Answered & Verified by Expert
If $i=\sqrt{-1}$, then $1+i^2+i^3-i^6+i^8$ is equal to
MathematicsComplex NumberJEE Main
Options:
  • A $2-i$
  • B $1$
  • C $3$
  • D $-1$
Solution:
2535 Upvotes Verified Answer
The correct answer is: $2-i$
$1+i^2+i^3-i^6+i^8=1-1-i+1+1=2-i$.

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