211 Answered Questions for the topic Complex Numbers

Complex Numbers Precalculus

05/13/21

How do you find all 6th roots of 64+0i (in both trig and standard form)?

Complex Numbers Trigonometry

03/26/21

(NEEDED ASAP) If z = 2 + 10i then calculate 4Re(z) + 6lm(z)

4Re(z) + 6lm(z) =
Complex Numbers Trigonometry

03/26/21

(NEEDED ASAP) If z = 2 + i then find lm(z).

lm(z) =
Complex Numbers Algebra 2

03/21/21

Complex Numbers

Find the product of the two numbers, (7+2i) and (3+5i). Plot this point on your graph and find the magnitude and direction of the product. a. What relationship do you notice between the magnitude... more
Complex Numbers Calculus

02/09/21

Evalaute contour integral

Evaluate the contour integral [(z+3)/(z)(z-1)^2 (z-2)]dz where c is the circle |z|=5/2 by using the residue theorem.What would be the final answer?
Complex Numbers Algebra

02/06/21

factor .. . .. . . .

Factor: 8a^2+16b^2...............
Complex Numbers Algebra 2

02/06/21

Find the solutions of the equation, and find the sum and the product of the roots:

Find the solutions of the equation, and find the sum and the product of the roots: 4x^2-12x+15=0
Complex Numbers Algebra 2

02/06/21

How many terms of the series 25+19+13 +… are required to make the sum −20?

How many terms of the series 25+19+13 +… are required to make the sum −20?
Complex Numbers Algebra 2

02/06/21

How many terms of the series 25+19+13 +… are required to make the sum −20?

How many terms of the series 25+19+13 +… are required to make the sum −20?
Complex Numbers Algebra 2

02/06/21

How many terms of the series 25+19+13 +… are required to make the sum −20?

How many terms of the series 25+19+13 +… are required to make the sum −20?
Complex Numbers Algebra 2

02/06/21

How many terms of the series 25+19+13 +… are required to make the sum −20?

How many terms of the series 25+19+13 +… are required to make the sum −20?
Complex Numbers Calculus

01/24/21

Question related to Complex Analysis

z^6 - 2z^3 - 8 = 0 using Polar Form and De Moivre theorem
Complex Numbers Precalculus

01/05/21

Find all the zeros of f(x)=x3−6x2+25x−68 given that 1−4i is a zero.

Complex Numbers Math Algebra 1 Algebra 2

12/29/20

How would you solve this equation? Thanks for your help. Greatly Appreciated.

12x2-18 = -150
Complex Numbers Trigonometry Algebra

11/12/20

What are the three cube roots of -8i? i = √-1

Complex Numbers Linear Algebra

10/23/20

determine the complex solutions of the equation

(z+4)3 = -8i
Complex Numbers Linear Algebra

10/23/20

determine the complex solutions of the equation

(z+4)3 = -8i
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
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)
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
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
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?

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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