Mathematics: If f(x) = x3 – 2x2, which expression is equivalent to f(i)? –2 + i –2 – i 2 + i 2 – i

If f(x) = x3 – 2x2, which expression is equivalent

Ответ:

yesmi

04.01.2022

The answer is
f(x) = x3 – 2x2
so f(i)=i^3 - 2i²
i²=-1
i^3=ixi²=-i
f(i)=i^3 - 2i²=-i-2x-1=-i+2
the answer is a. f(i)= –2 + i

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Ответ:

saintsfan2004

16.09.2021

Mathematics

All you do is divide 42,786 by 12
42786÷12=$3,565.50 per month

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If f(x) = x3 – 2x2, which expression is equivalent to f(i)?
–2 + i

–2 – i

2 + i

2 – i

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