KingJayDevil
18.02.2021 •
Mathematics
Solve the following absolute value equation. |-4x-2| = 10
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Ответ:
x=-3
Note:I'm not really an expert on math(Only some part of math/algerba )
Ответ:
-1 + 14i.
Step-by-step explanation:
i^2 = -1.
i^4 = i^2 * i^2
= -1 * -1 = 1.
i^3 = i^2 * i = -i.
√−81 = i√81 = 9i.
So
2i^4−5i^3+3i^2+√−81
= 2 - (5 * -i) - 3 + 9i
= -1 + 5i + 9i
= -1 + 14i.