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Asked by BC

Simplify: (1 + i)(1 - i)
Answer
a. -2i
b. 2
c. 2i
d.-2
15 years ago

Answers

Answered by Anonymous
(1)(1 - i) + (i)(1 - i)
now simplify.
note: i^2=-1
15 years ago
Answered by PsyDAG
1 - i + i -i^2 = 1 - (-1) = ?
15 years ago

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