![\displaystyle Z_1=\left(\sqrt[3]{r},\frac{\theta}{3}\right)](/tpl/images/0438/7936/344fc.png)
![\displaystyle Z_2=\left(\sqrt[3]{r},\frac{\theta}{3}+120^o\right)](/tpl/images/0438/7936/44680.png)
![\displaystyle Z_3=\left(\sqrt[3]{r},\frac{\theta}{3}+240^o\right)](/tpl/images/0438/7936/15af8.png)
![\displaystyle Z_1=\left(\sqrt[3]{2},\frac{120^o}{3}\right)=\left(\sqrt[3]{2},40^o\right)](/tpl/images/0438/7936/c07b3.png)
![\displaystyle Z_2=\left(\sqrt[3]{2},40^o+120^o\right)=\left(\sqrt[3]{2},160^o\right)](/tpl/images/0438/7936/15741.png)
![\displaystyle Z_3=\left(\sqrt[3]{2},40^o+240^o\right)=\left(\sqrt[3]{2},280^o\right)](/tpl/images/0438/7936/3e3c5.png)
![z_1=\sqrt[3]{2}(\ cos40^o+i\ sin40^o)](/tpl/images/0438/7936/baf6c.png)
Which expression is a cube root of -1+iβ3?
a. ^3β2(cos120 + i sin 120)
b. ^3β4(cos320 +...
Mathematics, 01.01.2020 03:31 roger93
Which expression is a cube root of -1+iβ3?
a. ^3β2(cos120 + i sin 120)
b. ^3β4(cos320 + i sin 320)
c. ^3β2(cos40 + i sin 40)
d. ^3β4(cos280 + i sin 280)
Answers: 3
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