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kamerin46
18.03.2021 •
Mathematics
Find the measure of angle x.
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Ответ:
Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!
cutt.ly/4zZs6GM
Ответ:
x = ± 2i
Step-by-step explanation:
The equation has no real roots, gut has complex roots
Given
x² = - 4 ( take the square root of both sides )
x = ±![\sqrt{-4}](/tpl/images/0503/0538/efe72.png)
= ±![\sqrt{4(-1)}](/tpl/images/0503/0538/0553d.png)
[ Note that
= i ]
= ±
×
= ± 2i