217 Answered Questions for the topic Complex Numbers

Complex Numbers Math Polar Expression

10/08/20

Find the polar expression of i and -1
the title is everything, the question is Find the polar expression of i and -1
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Complex Numbers Algebra 2

10/08/20

Algebra Question
Simplify, leaving answer in polar form.cos(5A) - i sin(5A) / i sin(B) + cos(B)(division)
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Complex Numbers Algebra 2

10/08/20

Algebra Question
Determine the truth values for the following statements. Please provide a clear motivation.a) 2+(-i)5 is a real number
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Complex Numbers Algebra 2 Conjugates

10/07/20

Algebra Question
Determine the truth values for the following statements. Please provide a clear motivation.a) 2+(-1)5 is a real numberb) For all complex numbers z and w, (z-bar+w)-bar = w-bar +z
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Complex Numbers Algebra 2

10/07/20

Algebra Question (Complex Numbers)
If z = -2i(√3 + 2i)What is the polar form of z with the principal argument?
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09/20/20

Complex numbers problem, solving for Z1 and Z2
If Z1,Z2 are part of C such that Im(z1) = sqrt(3), |z2| = 2 and z1*z2 = 4(cos( 5pi/6 ) + sin( 5pi/6)i ). Find the values of Z1 and Z2.I was told that i could use the property of |z1*z2| = |z1||z2|... more
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Complex Numbers Algebra 2

08/31/20

what is the quotient?
what is the quotient for the conjugate -1-4i
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Complex Numbers Algebra 2

08/26/20

solve for x and y
Solve for x and y. 4x - 9i = - 8 + 3yi
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Complex Numbers

08/24/20

Find The Product of (9+3i) and its conjugate
Find The Product Of (9+3i) and it’s conjugate.
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Complex Numbers Precalculus

07/25/20

Find a polynomial function with real coefficients that has the given zeros. (There are many correct answers.) 2, −2i
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Complex Numbers Math Polynomials

07/12/20

Identify the simplest polynomial function
Identify the simplest polynomial function having integer coefficients with the given zeros.4i, 3, −1
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Complex Numbers Math Algebra 2 Precalculus

06/09/20

Complex Roots, solving a equation a+bi form
What are the roots of the equation 9x2+24x+19+0, in simplest a+bi form.
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Complex Numbers Math Precalculus Trigonometry

06/06/20

How to find the 4th root of a complex number !!
What are the fourth roots of 6+6√(3i) ?Enter your answer by filling in the boxes. Enter the roots in order of increasing angle measure. (  )cis(  )(  )cis(  )(  )cis(  )(  )cis(  ) Hello! I really... more
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Complex Numbers

05/29/20

Mathematics question

The complex exponential function ez is periodic with period??
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Complex Numbers Math Precalculus Trigonometry

05/01/20

p and q are complex numbers such that p=2/5x+1, q=x+1, and p+q=3x+2. What interval must x fall?
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Complex Numbers Trigonometry

05/01/20

Find the quotient of the complex numbers.
Find the quotient z1/z2 of the complex numbers.z1=cos90+isin90z2=cos200+isin200
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Complex Numbers Precalculus Polarform Demoivre's

04/26/20

Precalculus Questions
1 .Write the complex number in polar form with argument θ between 0 and 2π. 1 + 3 i 5i(1 + i) 2.Find the product z1z2 and the quotient z1/z2. Express your answers in polar... more
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Complex Numbers

04/20/20

Z1=2+2i and z2=-3-3i then |Z1+z2|
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Complex Numbers Trigonometry

04/14/20

If z = cos theta + i sin theta, then z³ + 1/ z³ =

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Complex Numbers Maths Maths Word Problem

04/06/20

Consider a complex number 𝑧 = 𝑎 + 𝑖𝑏 where 𝑎 and 𝑏 are real. Evaluate |𝑖𝑅𝑒(𝑖𝑧) + 𝐼𝑚(𝑧)| .
Need Quickk help on this question since my understanding of complex numbers isnt the best. Consider a complex number 𝑧 = 𝑎 + 𝑖𝑏 where 𝑎 and 𝑏 are real. Evaluate |𝑖𝑅𝑒(𝑖𝑧) + 𝐼𝑚(𝑧)| .
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04/06/20

Math word problem
I need some assistance with a question involving complex numbers. The question is:Consider the complex number: 𝑧 = 3 − 3 𝑖. Evaluate:(i) 𝐼𝑚(𝑧) (ii) |𝑧| (iii) 𝐴𝑟𝑔(𝑧)
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Complex Numbers Algebra 2

02/26/20

Find the line which is perpendicular to 3y+6x-7=0 and passes through the point A(4, -7)
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Complex Numbers Math Algebra 2

12/05/19

Write a polynomial function of least degree with integral coefficients that has the following zeros: -2, and 2-i
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Complex Numbers

12/03/19

If 3 is a root of the equation, 2x^2+kx-5=0, find k and the other root

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Complex Numbers Math Algebra 2 Polynomials

11/30/19

How do you find all the complex zeros/roots of a polynomial?
On my homework I have multiple questions asking for all complex zeros/roots. An example that I want answered is if f(x) = 5x^6-30x^5-43x^4+228x^3+22x^2+96x+16 and one of the zeros/roots is ... more
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