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mylen [45]
3 years ago
11

Could someone please help me?

Mathematics
1 answer:
Deffense [45]3 years ago
3 0

Answer:

i-1

Step-by-step explanation:

2i 1−i = 2i(1+i)(1−i)(1+i)=2(i−1)1+i−i+1=2(i−1)2=i−1

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