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The reciprocal of 1 + i, written in a + ib form, is
A(1 - i)/2
B(1 + i)/2
C(-1 + i)/2
D1 - i
Answer & Solution
Correct answer: A. (1 - i)/2
1/(1 + i) = (1 - i)/((1 + i)(1 - i)) = (1 - i)/2.
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