218 Answered Questions for the topic Complex Numbers

Complex Numbers

03/12/15

Plot this complex number in the complex plane and write it in polar form.
 Plot this complex number in the complex plane and write it in polar form. Express the argument in degrees.3 - 4iGive your answer using the form z = A(cos(B°) + i sin(C°)).   A= B= c=
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Complex Numbers

03/02/15

what is the product of the complex numbers (2+i) and (4+i)?
what is the product of the complex numbers (2+i) and (4+i)? I need help I do not understand
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Complex Numbers

03/01/15

Write the number in polar form with argument between 0 and 2p. -9 + 9i
The number is  -9+9i   And another question with the number being  6-6sqrt(3)i
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Complex Numbers

02/26/15

write the complex number in polar form with argument theta between 0 and 2pi. sqrt of 3 +i
write the complex number in polar form with argument theta between 0 and 2pi. sqrt of 3 +i
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02/19/15

Is a set of complex numbers bigger than or smaller than the set of real numbers
Is a set of complex numbers bigger than or smaller than the set of real numbers?
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Complex Numbers Precalculus Trigonometry

12/07/14

Find all complex number solutions for x^3+i=0.
Find all complex number solutions for x^3+i=0.
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Complex Numbers

12/05/14

Add, subtract, multiply, or divide the complex numbers
(7+2i)/(3-2i)
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Complex Numbers Absolute Value

11/17/14

Why does l1+ il = v(1+1)
Please explain why l1+il = √(1+1) is true? It is a step in working out the question: prove that l(3+i)/(2-i)l = √2.
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Complex Numbers Polar Form Exact Value

11/16/14

Find the exact value of (1/(2^1/2) - 1/(2^1/2)i)^100
What is the exact value of the above equation in polar form? Please show the steps in how to get to the answer. Thanks.
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11/14/14

how do I solve the equation 2^(3x+1) = 8^p
How do I solve the above equation for x in terms of p? Please show the steps in working it out. thanks.
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Complex Numbers Imaginary Numbers

11/13/14

If a+bi = 0, does a=0 and b=0?
when a real number and an imaginary number added together equals 0, does both the real number and the real part of the imaginary number have to equal 0?
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Complex Numbers

11/07/14

9x^2+38xy+8y^2
Writing the expression in factored form. 
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Complex Numbers

11/02/14

write the complex number in standard form 5i^2013
stander form is a+bi a and b being real numbers
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Complex Numbers

10/14/14

Square Root of a complex number
sqr root (-15+8i)
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Complex Numbers Maths

09/26/14

complex number
IF 1,ω+ω²+.....+ωn-1 are the nth root of unity, then the value of (1/x-1)+(1/x-ω) +......+1/x-ωn-1 =________?  
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Complex Numbers Maths

09/23/14

complex number
If mod z =2, then the points representing the complex numbers -1+5z will lie on a?? 1. circle 2. straight line 3. parabola 4. ellipse
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09/23/14

complex number
If one vertex of an equilateral triangle is 1+i and centroid is it's origin then other two vertices of triangle are?
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Complex Numbers

09/06/14

4 minus i divided by 7 minus i what well the answer be in standard form, a+b?
4-i/7-i the answer has to be in a+b form. Divided the numerator and denominator by conjugate of the denominator and simplify the resulting expression. 
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Complex Numbers

08/20/14

The imaginary number i is defined such as i^2=-1. What does i^+ i^2+i^3+...i^23 equal?
I keep getting i^23=i^20+3=i(4x5)+3=-i   It should up -1 but I do not know how
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Complex Numbers Polar Forms

05/13/14

Write the complex number in polar form with argument ? between 0 and 2p. 9 radical 3 - 9i
Write the complex number in polar form with argument θ between 0 and 2π. 9 radical 3 − 9i
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Complex Numbers Polar Forms

05/13/14

Write the complex number in polar form with argument ? between 0 and 2p. 7radical 3 - 7i
Write the complex number in polar form with argument θ between 0 and 2π. 7radical 3 − 7i
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Complex Numbers Trigonometric Form

05/08/14

Write the complex number in trigonometric form r(cos theta + I sin theta ) with theta in the interval (0,2pi).
12) 3i. 3i is the problem i am trying to answer please help me not sure how to do it. It's pre calcus.
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Complex Numbers Calculus Functions Range

05/02/14

Find the range of this function
The function f : C → C is given by f(z) = z² + 14.   What should I do to find the range of this function?
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Complex Numbers Algebra 1 Simplify Math Help

04/14/14

complex numbers
perform each of the following calculations involving complex numbers, and write the answer, simplified as much as possible, in the form a + bi, where a and b are real numbers. 1.  (4+2i) – (6 –... more
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Complex Numbers

03/20/14

the square root of -9
i am having alot of problems with algebra 2. I'd like help finding some of the answers because I know that no matter how I work it out I will not end up with the right answer.
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