naenaekennedybe
28.07.2019 •
English
What characteristics do odysseus and penelope share?
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Ответ:
Ответ:
We have to find f ( i ) for the function: f ( x ) = x³ - 2 x²
f ( i ) = i³ - 2 i²
We know that: i² = - 1 and i³ = - i
f ( i ) = - i - 2 · ( - 1 )
f ( i ) = - i + 2
The complex number is written in form: z = a + b i
f ( i ) = 2 - i