Asked by BC

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

15 years ago

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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