3 years ago

(X+3) ²-4 what’s the X

Mathematics

1 answer:

Nana76 [90]3 years ago

3 0

Well, what's the whole equation?

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2 years ago

Read 2 more answers

Can someone answer the question?

fomenos

Answer:

$\frac{\sqrt{3} }{3} }(cos(\frac{19\pi}{12})+isin(\frac{19\pi}{12}))$

Step-by-step explanation:

Division of complex numbers in polar form is $z_1/z_2=\frac{r_1}{r_2}cis(\theta_1-\theta_2)$ where $z_1$ and $z_2$ are the complex numbers being divided, $r_1$ and $r_2$ are the moduli, $\theta_1$ and $\theta_2$ are the arguments, and $cis$ is shorthand for $cos\theta+isin\theta$ . Therefore: