![z^{1/n} = r^{1/n}\cdot \left[\cos \left(\frac{\theta + 2\cdot k\cdot \pi}{n} \right)+i\,\sin \left(\frac{\theta + 2\cdot k\cdot \pi}{n}\right)\right]](/tpl/images/1154/1715/c5478.png)
, for 
(1)
- Grade of the root. 
- Norm of the complex number.
- Direction of the complex number, measured in radians.
- Index of the solution. 
, then the root of the number is:
, then the root of this number is:![z^{1/3} = 2^{1/6}\cdot \left[\cos \left(\frac{\frac{3\pi}{4} }{3} \right)+i\,\sin \left(\frac{\frac{3\pi}{4} }{3} \right)\right]](/tpl/images/1154/1715/6dcf3.png)
![z^{1/3} = 2^{1/6}\cdot \left[\cos \frac{\pi}{4}+i\,\sin \frac{\pi}{4} \right]](/tpl/images/1154/1715/aeaf9.png)
![z^{1/3} = 2^{1/6}\cdot \left[\cos 45^{\circ}+i\,\sin 45^{\circ}\right]](/tpl/images/1154/1715/9552b.png)
Find the root for (-1+i)^1/3
...
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:40
The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3
Answers: 3
Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
Answers: 3
Mathematics, 21.06.2019 22:00
The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle
Answers: 1
Mathematics, 21.06.2019 23:30
What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2
Answers: 1
You know the right answer?
Questions
Mathematics, 27.01.2021 20:00
Mathematics, 27.01.2021 20:00
History, 27.01.2021 20:00
English, 27.01.2021 20:00
Mathematics, 27.01.2021 20:00
Business, 27.01.2021 20:00
Mathematics, 27.01.2021 20:00
Business, 27.01.2021 20:00
