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A) -2 + i B) -2 - i C) 2 + i D) 2 - i
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A) -2 + i
B) -2 - i
C) 2 + i
D) 2 - i

A) -2 + i B) -2 - i C) 2 + i D) 2 - i-example-1
User Kamiikoneko
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1 Answer

6 votes

f(i) = i³ - 2i² = i(i²) - 2i² = -i + 2 = 2 - i

Answer: 2-i, last choice

User Anuki
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