217 Answered Questions for the topic Complex Numbers
Complex Numbers Graphing
11/29/17
Write in standard notation:
Write in standard notation, : a+bi 2(cos π/3+ isin π/3)
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers
11/13/17
complex numbers in rectangular form
You are given four complex numbers in rectangular form: p=5+3j. q=2-4j. r=6j. s=-3-2j.Simplify the expressions below giving the answer in rectangular form:(i) p+s(ii) p+q(iii) r s (iv) r(p-q)(v)...
more
Follows
•
1
Expert Answers
•1
![]()
the conjugate of a sum is the sum of the conjugates of the individual complex numbers
please help I have no idea what this means and I need the work to show how to do it
Follows
•
2
Expert Answers
•2
![]()
![]()
Complex Numbers
10/11/17
What is (ab) the whole conjugate
Here no plus or minus is there, then how could we able to find conjugate?
Follows
•
4
Expert Answers
•2
![]()
![]()
10/08/17
Complex number to exponential form
How do you put the complex number -2+i into a form of e^{ix} ?
with i = sqrt(-1)
x= angle between complex number and the real axis
Follows
•
2
Expert Answers
•1
![]()
10/01/17
Find the fifth roots of the complex number:
Find the fifth roots of the complex number:cos(5pi/4)+isin(5pi/4)
Follows
•
3
Expert Answers
•2
![]()
![]()
10/01/17
Find the nth roots of the complex number for the specified value of n.
Find the nth roots of the complex number for the specified value of n.2-2i, n=4
Follows
•
1
Expert Answers
•1
![]()
Complex Numbers Calculus
09/29/17
Find the following power. Write the answer in rectangular form. [3(cos 30 + i sin 30)]^2
I'd greatly appreciate your help. Thank you for your time.
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers Calculus
09/29/17
Find the quotient, and write it in rectangular form (do not factor)
(12(cos 420 + i sin 420)) / (2(cos 120 + i sin 120))
Thank you for your time.
Follows
•
2
Expert Answers
•1
![]()
09/27/17
multiplying complex numbers
(-1+2i)(-5+3i)
having trouble on this one, please show me step by step and the answer. Thank you so much. I appreciate it
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers Multiplying
09/26/17
Multiplying complex numbers
Multiply
(-1+2i)(-5+3i)
Write answer as a complex number in standard form
Follows
•
2
Expert Answers
•1
![]()
09/25/17
multiplying complex numbers
Multiply
(3-i)(6-6i)
Write answer as a complex number in standard form
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers Multiplying
09/25/17
multiplying complex numbers
multiply
-i(-4+4i)
write answer as a complex number in standard form
Complex Numbers Muliplying
09/25/17
Multiplying complex numbers
Multiply
(-2 - 5i)(3+4i)
write answer as a complex number in standard form.
Thanks! :)
Follows
•
1
Expert Answers
•1
![]()
I want to express (1+i)^11 in algebric form by using the trig functions within the process...
For some reason 1+i = root 2 * e ^ pi / 4
which i dont understand how so I would like an explanation for this...
Follows
•
2
Expert Answers
•1
![]()
09/16/17
In a complex number would you put i in front of or after a radical? I've seen it written both ways and I'm very confused
imaginary numbers. complex numbers.radicals. order in a solution
Follows
•
2
Expert Answers
•2
![]()
![]()
Complex Numbers
08/31/17
Given that: z=tan(α)+i, where 0<α<(1/2)*pi // Find the absolute value of z in its simplest form.
Given that: z=tan(α)+i, where 0<α<(1/2)*piFind the absolute value of z in its simplest form.
How the hell do I solve this?
Follows
•
3
Expert Answers
•2
![]()
Complex Numbers
08/31/17
if y=x²+x-4, evaluate y given x=2i
if y=x²+x-4, evaluate y given x=2i. this is the first time I have seen this so I am unsure how to proceed.
Follows
•
2
Expert Answers
•1
![]()
Perimeters of Polygons
A. Calculate the perimeter of the polygon whose vertices are the complex fourth roots of 1.
B. Calculate the perimeter of the polygon whose vertices are the complex ninth roots of 1.
Follows
•
2
Expert Answers
•1
![]()
08/27/17
Use an algebraic method to find the cube roots of the complex number.
Use an algebraic method to find the cube roots of the complex number: 5(cos(π/6)+isin(π /6)) The answer needs to be in a+bi form.
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers
08/23/17
Number of distinct roots of z+modulus of z (where z is a complex number)?
How many number of distinct roots of z+modulus of z (where z is complex number)?
Follows
•
2
Expert Answers
•1
![]()
Algebra 2 Help
Link : http://imgur.com/a/JZxGv
This is a 3 part question so I would be extremely grateful with you could answer the 3 parts. Thanks in advance!!
Follows
•
1
Expert Answers
•1
![]()
Complex Numbers
03/30/17
Suppose that the coefficients of the equation: x^(n) + [a(sub(n-1)) * X^(n-1)] + [a(sub(n-2)) * X^(n-2]... + a(sub1)) * X = 0 are real and satisfy: 1 is greate
This has something to do with complex numbers. I'm not sure what exactly.
Follows
•
2
Expert Answers
•1
![]()
Complex Numbers
03/30/17
if theta is a constant such that 0 < theta < pi and x + 1/x = 2 cos(theta), then for each positive integer n, find x^n + 1/(x^n) in terms of n and theta.
This has to do with the number theory and/or complex numbers. I am completely lost on this question.
Follows
•
2
Expert Answers
•1
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
