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 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...
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03/10/21

#### a)what is the number of complex roots b)possible number of real positive and real negative roots C) possible number of rational roots for the equation x^4+x^3-4x^2+2x-5=0

number of complex roots includes real roots and imaginary roots

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 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.

12/31/20

#### Find a polynomial equation with real coefficients that has the given roots. 4 and -9i (imaginary)

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

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

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|...
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