Home › CBSE Class 11 (Commerce) › Mathematics › Complex Numbers and Quadratic Equations › Simplify (1 + i) divided by (1 - i).
Simplify (1 + i) divided by (1 - i).
A1
B-1
C-i
Di
Answer & Solution
Correct answer: D. i
Multiplying by 1 + i gives (1 + i)^2 / 2 = 2i/2 = i.
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