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hdjehd

hdjehd

09.07.2021 •

Mathematics

HELP. Drag the tiles to the correct boxes to complete the pairs. Match each product of complex numbers with its value.

HELP. Drag the tiles to the correct boxes to complete the pairs.

Match each product of complex nu

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Ответ:

haley5306

08.08.2021

$i^{2} (2i^{2} -5)$

$2i^{2} \times i^{2} -5i^{2}$

2(-1)(-1)-5(-1)

2+5

$i^{2}(2i-5)$

------------------

$i^{2} (3+i^{2} )$

$i^{2} \times 3+i^{2} \times i^{2}$

(-1)3+(-1)(-1)

-3+1

$=i^{2} (3+i^{2} )$

---------------------

$2i(2i-i^{3} )$

$2i\times 2i-i^{3} \times2i$

$4i^{2} -2i^{4}$

4(-1)-2(1)

-4-2=

$-6=2i(2i-i^{3} )$

-------------------

$i(4i^{3} -i)$

$4i^{3} \times i-i\times i$

$4i^{4} -i^{2}$

4(1)-(1)

4+1=5

--------------------

ANSWER:

$-6\Longrightarrow 2i(2i-i^{3} )$

$5\Longrightarrow i(4i^{3} -i)$

$7\Longrightarrow i^{2} (2i-5)$

$-2\Longrightarrow i^{2} (3+i^{2} )$

----------------------------

Hope it helps...

Have a great day!!

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Ответ:

datboyjulio21

13.06.2021

-3

Step-by-step explanation:

x^3 = -27

x ^3 = -3 ^ 3

The powers will cancel out

x = -3

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