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Complex Numbers
Page 9
Questions (969)
Simplify the expression.
(5 – 5i) – (–6 – 3i) (1 point) Responses –1 – 8i –1 – 8 i 11 – 2i 11 – 2 i –11 +
3 answers
asked anonymously
29 views
Simplify the expression.
(5 – 5i) – (–6 – 3i) (1 point) Responses –1 – 8i 11 – 2i –11 + 2i 9i
3 answers
asked anonymously
35 views
Use DeMoivre's Theorem to find the indicated power of the following complex number
(-6 + 6i)^4 Please help, i don't get this guys
1 answer
asked by
Janique
691 views
Find the standard form of the complex number shown below 5(cos7pi/6 + isin7pi/6)
1 answer
asked by
Casandra
370 views
can someone help me simplify 3/4i
1 answer
asked by
danny
220 views
Use De Moivre’s Theorem to simplify each expression. Write the answer in the form a + bi.
{1 - i(/3)}^4
2 answers
asked by
britt
501 views
(1-2i)/(2+3i) Do I multiply both the numerator and denominator by 2+3i?
1 answer
asked by
lola
305 views
Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
2 answers
asked by
britt
672 views
Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
2 answers
asked by
britt
875 views
express 4/5-radical 13
1 answer
asked by
challenger
298 views
(3 - 9i) + (4 + 5i) = ?
1 answer
asked by
ron
247 views
Find (-1+i)^1/3 list steps
3 answers
asked by
95
374 views
1. Find (-1+i)^1/3
2. Express 2(cos5pi/3 + isin5pi/3) in regular form. would this be correct: 1-√3i? 3. Find (2+4i)^3 in
3 answers
asked by
95
405 views
Suppose that z1=6-8i. Find:
A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2,
2 answers
asked by
Joshua
542 views
Show that for any complex number z, |z| = |-z|. (Hint: Let z = a + bi.)
1 answer
asked by
Peter
324 views
Find the trigonometric form of the number. (Round any angles to two decimal places.)
−8 − i
1 answer
asked by
Alex
430 views
which is the value of (3 + i) - (3 - i)
3 answers
asked anonymously
36 views
Dividing: Write the expression as a complex number in standard form
1) 2+5i/5+2i 2) 6-i√2/6+i√2 for the first one I solved it
1 answer
asked by
Linda
390 views
If m and n are real numbers, i^2=-1, and (m-n)-4i=7+ni, what is the value of m?
2 answers
asked by
Lily
473 views
Simplify the expression. (–2 – 2i)(–4 + 6i) (1 point) Responses 8 – 4i 8 – 4 i 8 – 12i 8 – 12 i 20 – 4i 20 – 4
3 answers
asked anonymously
24 views
Simplify the number using the imaginary unit i. (1 point) Responses Image with alt text: 2 square root -7 Image with alt text:
3 answers
asked anonymously
51 views
The complex function in Python is a built-in function that stores numbers as complex numbers. The syntax is complex ([real[,
3 answers
asked anonymously
77 views
Please check my answer: I think it's correct?
1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61 tan^-1(2/-3) =
1 answer
asked by
Courtney
418 views
Could someone help me with this-we learned this today in school but I'm not getting it now that I'm home with my homework-I have
2 answers
asked by
Anne
1,030 views
Could someone show me how to solve these two problems-I have 10 of each kind to do this weekend and I'm really lost
1. Find
4 answers
asked by
Tammie
605 views
How to convert into polar form?
z = 1 - i w = 1 - √3i
3 answers
asked by
Lynn
934 views
Find the product and enter the real and imaginary parts below. Note that you do not need to type in the since it is already
1 answer
asked by
john
402 views
Simplify the number using the imaginary unit i. (1 point) Responses Image with alt text: Negative 5i 5i 5 i Image with alt text:
3 answers
asked anonymously
36 views
What are the solutions? 16x2 + 9 = 0 (1 point) Responses –i, i – Image with alt text: 3 over 4 i, Image with alt text: 3
3 answers
asked anonymously
96 views
Write the expression (7 – 7i) + (–8 – 2i) in the form a + bi
3 answers
asked by
Jake
1,031 views
i can not figure out how to write the complex number in rectangular form the question is 4(cos 5Pie/6 + i sin 5 pie/6)
3 answers
asked by
fred
633 views
If z=1+i, then the multiplicative inverse of z esqaire is:
2 answers
asked by
Anonymous
1,001 views
Express in terms of i.
2sq.rt.divided by-36
1 answer
asked by
ROCKY
265 views
use Demoivre's theorem to find the power [5(cos3.2 + isin3.2)]^4
1 answer
asked by
qui qui
434 views
find the standard form of the complex numbers 5/4 (cos 225degree + isin 225degree)
1 answer
asked by
raven
336 views
expand (2-i)^12
1 answer
asked by
louise
270 views
Reprenesent the complex number 5/2(square root of 3-i) graphically and find its trigonometric form.
1 answer
asked by
danielle
343 views
Find
[4(cos115+isin115)]^6
4 answers
asked by
Jack
424 views
Find
[4(cos115+isin115)]^6
1 answer
asked by
Ben
313 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115
Find z2^6
1 answer
asked by
Peter
440 views
Simplify the following quotient of complex numbers into the form a+bi
1+8i ---- -6+i
2 answers
asked by
swirl
842 views
Simplify the following product of complex numbers
(-10+3i)*(-2)
1 answer
asked by
swirl
308 views
Subtract the complex expressions, and simplfy.
(-4.6-2.4i)-(-7.8-10i)
1 answer
asked by
swirl
429 views
=Add the complex expressions,and simplify. (4+7-9i)+(5+7-3i)
1 answer
asked by
Ms.Ellis
454 views
identify the trigonometric form of -6+6i
1 answer
asked by
joe
334 views
find zw
z=8(cospi/2+isinpi/2) w=4(cospi/4+isinpi/4)
1 answer
asked by
joe
340 views
(root2-root2i)^6
1 answer
asked by
joe
338 views
identify the standard form of the complex number: 10(cos259+isin259)
1 answer
asked by
joe
815 views
find the fourth roots of 1-root3i
1 answer
asked by
joe
284 views
[root2(cos2pi/11+isin2pi/11)]^4
1 answer
asked by
joe
296 views
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Parent Categories (26)
Algebra
Algebraic Equations
Algebraic Expressions
Algebraic Manipulation
Algebraic operations
Built-in Functions
Calculus
Complex Analysis
Coordinate Geometry
Equations
Equations and Inequalities
Linear Algebra
Math
Math operations
Mathematics
Number Systems
Numbers
Numbers and Operations
Operations
Polynomials
Python
Python Programming
Simplifying expressions
Systems of Equations
Trigonometry
Trigonometry/Polar Coordinates