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itzdulceee

itzdulceee

26.05.2021 •

Mathematics

$x {} ^{2} + 49 = 0$
Hello, I need help :/

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Ответ:

aklilrodowx1q5

25.06.2021

If we are in the real numbers, we don't have solutions:

$x^2 +49 = 0 \implies x^2 = -49 \implies x \not\in\mathbb{R}$

If we go beyond:

$x^2 +49 = 0 \implies x^2 = -49 \implies x = \pm\sqrt{-7^2} \implies x = \pm7i$

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Ответ:

jellydemara208

26.07.2021

8.186 rounded to the nearest tenths place is 8.2

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