217 Answered Questions for the topic Complex Numbers

Complex Numbers

06/18/16

Prove that (a+b omega+c omega2)3+(a+b omega2+c omega)3=27abc,if a+b+c=0
Complex number. Pllease sir do it in a very .easy school grade (11) ones
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Complex Numbers

06/18/16

Factorise x2+y2+z2-xy-yz-zx
As omega ina comex number. In a simple way for school grade student
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Complex Numbers

06/17/16

If omega be a complex cube root of 1 show that a4+b4+a-1b-1=0
Complex cube roots of complex numbers
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Complex Numbers

06/16/16

How to find the square root of (7-24i) i complex number
Square root  of this complex number
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05/25/16

Use DeMoivre's Theorem to find the power of the complex number : (1-i)^5 (write solution in a+bi form)
Complex numbers in polar form
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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.
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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 ?
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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
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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. 
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01/28/16

|2x + 1| = 3
Solve the inequality. Express the answer using interval notation.
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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
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01/28/16

plywood box has a volume of 72 ft3. Its length is 9 ft greater than its height, and its width is 1 ft less than its height. What are the dimensions of the box?
there should be 3 answers length, height, and width
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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.
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01/28/16

x^(3/2) - 14x^(1/2) + 49x^(-1/2) = 0
find all real solutions.
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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
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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)
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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)
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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
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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%
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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
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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
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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
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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
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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=
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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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