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Complex Numbers
Page 2
Questions (969)
Given z_1=2(cos pi/6+i sin pi/6) and z_2=3(cos pi/4 +i sin pi/4) find z_1z_2 where o<theta<2pi
10 answers
asked by
Beanieboi
74 views
11. j7•j1 (1 point)
j8 j7 (2j)8 (2j)7
11 answers
asked by
I need help
48 views
Write z=-6+6i in polar form
4 answers
asked by
Beanieboi
74 views
Chose a power of
i (with an exponent 13 or higher) that is equivalent to : i^3 3 . Explain how you arrived at your answer.
2 answers
asked anonymously
89 views
Examples of complex number
2 answers
asked anonymously
23 views
What are complex number
2 answers
asked anonymously
34 views
19) Find the product for the equations below. z₁ * z₂ (Use exact values, no decimals. Show your work)
z₁= 1/2(cis pi/3) and
6 answers
asked by
cal
85 views
17) Convert the rectangular form of the complex number into polar form.
z= 2-2√3i A: z=4(cos 2pi/3 + i sin 2pi/3) B: z = 4cis
1 answer
asked by
cal
141 views
If z=a+ib, where a and b ure integers, then 1+2+2++2" 22" if a>0.
1 answer
asked by
Ruhi
61 views
If z=a+ib, where a and b ure integers, then 1+2+2++2" 22" if a>0
1 answer
asked by
Ruhi
57 views
Find three cubed roots for the complex number:
125/2+125/2 i√3. answer with r= and theta = ___degrees ___degrees and ___degrees
4 answers
asked by
Dan
80 views
Find the quotient
z1/z2 in standard form. Convert to trigonometric form and find the quotient to check your answer. z1=2+2i ,
1 answer
asked by
Dan
97 views
Formulas to find solutions for complex numbers
2 answers
asked anonymously
64 views
Examples of complex numbers
2 answers
asked anonymously
40 views
What are complex numbers
2 answers
asked anonymously
36 views
What is complex plain and examples of it
2 answers
asked anonymously
75 views
1. Given z1 = 2(cos pi/6 + i sin pi/6) and z2 = 3 (cos pi/4 + i sin pi/4), find z1z2 where 0 ≤ theta ≤ 2pi
2. Find the
1 answer
asked by
Precal
102 views
What are complex numbers?
2 answers
asked by
Humphrey YAMBA
55 views
Why is the answer is zero in this complex (18-7i)+(20/7i)
2 answers
asked anonymously
23 views
Find the complex (18-7i) + (20÷7i)
2 answers
asked anonymously
30 views
Find the complex (8+7i) + (9+3i)
2 answers
asked anonymously
24 views
(1+(2*I))/(3-(4*I))+2/5
2 answers
asked by
Hamza
65 views
Let z and w be complex numbers such that |2z - w| = 25, |z + 2w| = 5, and |z + w| = 2. Find |z|.
I need a little help with
5 answers
asked by
Aditya
749 views
please help me...
1. When squaring a complex number using De Moivre's theorem, there are two answers. TRUE FALSE i think it's
4 answers
asked by
Hali
3,425 views
The complex number z = 2 + i is the root of the polynomial z^4 – 6z^3 + 16z^2 - 22z + 15 = 0. Find the remaining roots c) Let
4 answers
asked by
Clerry
710 views
Describe all solutions to zw - 3w - 2iw + 4z = 7iw + 5w + 11iz - 13 + 15i
where z and w are complex numbers.
1 answer
asked by
Ashley
99 views
Find the real and imaginary parts of the following complex numbers:
(i) 1.5e^jπ/4 (ii) je^1.2 + j^2 e
2 answers
asked by
Mat
1,023 views
Find all complex numbers $z$ such that $z^4 = -4.$
Note: All solutions should be expressed in the form $a+bi$, where $a$ and $b$
3 answers
asked by
Steve
1,002 views
Root of iota plus root of minus iota
5 answers
asked by
Raghuveer
3,303 views
Which of the following statements is not true?(1 point)
Responses A complex number is a number that can be written in the form
1 answer
asked by
eli
146 views
3(2i+7)=6i+21
4 answers
asked by
bella
42 views
Write an example of a complex number that is equal to its conjugate.
4 answers
asked by
Worm
2,423 views
cube roots of 64i?
5 answers
asked by
joe
5,500 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.
(2+2i)^6 a=2 b=2
4 answers
asked by
Abbey(Please help)
829 views
3i+2i−4=18i
infinite solutions i = 5\ i = 4/13 i = -1/3 i = 8
2 answers
asked by
Ihateconnexus
53 views
find the cube roots of the complex numbers -4square root 2(1-i) and write them in both the standard and trigonometric forms.
1 answer
asked by
qui qui
377 views
Evaluate the expression √−7/√ −6√−5 and write the result in the form a+bi.
I keep getting b as 0.483i but apparently
4 answers
asked by
Amelia
1,897 views
Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers.
Problem #1 (3+2i)^2
10 answers
asked by
Dawn
1,876 views
3i+2i−4=18i
47 answers
asked anonymously
66 views
Perform the indicated operations & simplify, give your answer in standard form.
Add: (18−23i) + (21+20i)
3 answers
asked by
Nanette
354 views
3i+2i-4=18i
3 answers
asked anonymously
67 views
The complex number -3 + 2i is one zero for a polynomial function. Which complex number must also be a zero for this function?
-3
6 answers
asked by
Max
2,486 views
The number cis 75 + cis 83 + cis91 +...+ cis 147 is expressed in the form r cis(theta), where 0 <= theta < 360.
Find theta in
7 answers
asked by
Josh
989 views
Express the following in the form a + bi, where a and b are real numbers:
√15+8i √3-4i √2i √-48+14i
4 answers
asked by
hi
1,970 views
simplify the expression
-6+i/-5+i
4 answers
asked by
sharon
595 views
simplify the expression
-5+i/2i
5 answers
asked by
helen
4,827 views
simplify the expression
-6+i/-5+i Could someone explain the steps?
5 answers
asked by
Lee
1,105 views
If a polynomial equation p(x)=0 has 3+4i as a solution
3-i 4-3i 4+3i 3-4i
4 answers
asked by
cj
1,714 views
True or False
Complex numbers can be graphed on the real xy coordinate plane?
4 answers
asked by
no of your business
2,552 views
Convert 2 e^{\pi i/6} to rectangular form.
4 answers
asked by
Matthew
1,068 views
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