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Question 230007
JEE Mathematics · Easy

Complex Numbers: Reciprocal MCQ

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ReciprocalEasyQuestion 230007

Question

1/(1 + i) in standard form is:
  1. A
    (1−i)/2
    Correct
  2. B
    (1+i)/2
  3. C
    (−1+i)/2
  4. D
    1/(2i)

Correct answer

(1−i)/2

Explanation

Multiply numerator and denominator by conjugate: 1/(1+i) × (1−i)/(1−i) = (1−i)/(1−i²) = (1−i)/2.

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