212 Answered Questions for the topic Complex Numbers

Complex Numbers

05/14/16

The maximum value of |z|, when z satisfy the condition |z + 3/z|=3 ?

This question is from complex numbers.
Complex Numbers

05/14/16

This is a question from complex numbers.

If 1,w and w2 are the three cube roots of unity and a,b and c are the cube roots of p,q (<0),then for any x,y and z,the expression {(xa + yb + zc)÷(xb + yc + za)} is equal to ?
Complex Numbers

03/29/16

is there any easy way to calculate (x+iy)^n +(x-iy)^n

I know the usual binomial theorem method but i wanted to know some easier method
Complex Numbers Algebra 2

03/21/16

Find the polynomial of least degree having roots 2, 3i, and -3i?

i need help. i need help. i need help. i need help. 

|2x + 1| = 3

Solve the inequality. Express the answer using interval notation.

01/28/16

A company manufactures industrial laminates (thin nylon-based sheets) of thickness 0.021 in., with a tolerance of 0.002 in

(a) Find an inequality involving absolute values that describes the range of possible thickness for the laminate. (Use h for the thickness.)     (b) Solve the inequality that you found in part... more
Complex Numbers Word Problem

01/28/16

A spherical tank has a capacity of 550 gallons. Using the fact that 1 gallon is about 0.1337 ft3, find the radius of the tank

calculate answer to the nearest hundredth foot.

01/28/16

x^(3/2) - 14x^(1/2) + 49x^(-1/2) = 0

find all real solutions.
Complex Numbers

01/06/16

write (1+i)^13 in a+bi form

write (1+i)^13 in a+bi form where b and a are real numbers

09/16/15

How do i get to the correct answer 62/949 + 297/949i

the problem 55.  i/(3-2i) + 2i/(3+8i)   my procedure: (i(3+8i) + 2i(3-2i))/ ((3-2i)(3+8i))   (3i-8+6i+4)/(9+24i-6i+16)   (9i-4)/(25+18i)
Complex Numbers College Algebra

09/01/15

what is the real and imaginary parts of -1/4?

I need to identify what is the real part and what is the imaginary part of negative 1 over 4 (-1/4)
Complex Numbers Math Help Polar Forms

08/14/15

Help!!!! Pre calc homework

Please help I need this complex number expressed in polar form (-5)-2i
Complex Numbers Maths

06/18/15

complex numbers related question

if   x = [ (√ 3 / 2)  +  ( i/ 2) ] then  x2  is  :      -1     1     -i     i %MCEPAS  , thenTEBIN%

05/27/15

Write the complex number in

Standard a+bi form   4(cos (2pi/3)+isin(2pi/3))   Polar form with the angle in radians   -4+2i
Complex Numbers Polar Forms Degrees Argument

05/18/15

Write the complex number in polar form

4-3i   Express in 0 less than theta less than 360
Complex Numbers

04/14/15

10+i/14i simplify and express your answer in standorm form of a complex number

simplify and express your answer in standorm form of a complex number
Complex Numbers Imaginary Numbers

03/18/15

Find all complex numbers whose sixth power equals 64

Basically, written out, looks like   (a + bi)^6 = 64
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.1 + iGive your answer using the form z = A(cos(B°) + i sin(C°)).   A= B= C=
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=
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
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
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

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?
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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