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Complex Numbers
Page 5
Questions (969)
Let Z be a complex number.whicj of the following is solution set of z^3-iz=0
3 answers
asked by
Seble wongel
257 views
Simplify √(5-21i) and write the answer in the form `a+bi, where a,b ∈ R
2 answers
asked by
Joaquin
457 views
can you explain this step please
how does (10i +5i^2)/(4-i^2)= (10i-5)/(4+1) thanks
1 answer
asked by
Stephanie
160 views
Do the operation and express the answer in a + bi form. Do not use parentheses in your answer: (8 - 3i ) -( -1- 15i )
1 answer
asked by
Gang
179 views
4/-3i
why is the answer a positive number 4/-3i *3i/3i = 12i/9 = 4i/3 or 4/3i why isn't it 12/-9i? thank you
1 answer
asked by
Rachel
142 views
mathematics ughh !!-_- so done wtih this math!
solve the following equations for real X and Y 1) (2-3i) (x+yi) = 4+i 2) (2-2i)
6 answers
asked by
Jeon Jungkook
186 views
List the real and imaginary components: 24-3i
Show your work Thanks
3 answers
asked by
Anonymous
242 views
What is (1+2j) + (1+3j)? Your answer should contain three significant figures.
3 answers
asked by
mm
882 views
Suppose z = x + iy = r*(e^(-i*theta)) , where i=sqrt(=1) , r =|z| , tan(theta) = y/x
Also, suppose that w = -uz - m*ln(z) = A +
3 answers
asked by
Ashley
334 views
If Sigma n=1 to infinity (z_n+w_n)=0, then there is a complex number p such that Sigma n=1 to infinity z_n= p and Sigma n=1 to
2 answers
asked by
Sasha
190 views
Operations with complex numbers
What is the product of complex conjugates? The product of complex conjugates is a sum of two
4 answers
asked by
lilly roberts
864 views
Recall that a Mobius transformation f has an equation of the form $f(z) = (az+b)/(cz+d) where a, b, c, and d are complex
1 answer
asked by
Jakob
300 views
Suppose we have a square with vertices at$0, -6+13i, -19+7i, and -13-6i. Suppose that we want to multiply these points by a
1 answer
asked by
Jakob
379 views
Convert 2e^((pi*i)/6) to rectangular form
2 answers
asked by
Aaryan
699 views
Which of the following is not a fifth root of -1?
a.) cos 36°+ i sin 36° b.) cos 252°+ i sin 252° c.) cos 108°+ i sin 108°
1 answer
asked by
Ted
363 views
How do i solve this problem?
Find the polar form of the complex number where the argument satisfies 0≤θ≤2π. 0+3i
4 answers
asked by
Shadow
617 views
Simplify
6+5i ------- -3i
1 answer
asked by
Austin
320 views
1. Find the modulus and argument of the following complex numbers, and write them in trigonometric form:
a. 5 – 8i Answer =
3 answers
asked by
Anonymous
1,039 views
Simplify the expression. -5+i/2i
4 answers
asked by
Xspead
789 views
how does one go about solving something such as:
conjugate(z+2-3i) = z+5+10i Conjugates of actual complex numbers are very
4 answers
asked by
Julius
631 views
What are the real and imaginary parts of the complex number: -6-i?
2 answers
asked by
Hannah
563 views
I need help converting the complex number z = (-1 + sqrt(1 + 4i))/2i to the form rei^(theta).
I found what the number in the
3 answers
asked by
Kelsey
510 views
Can you please help me to explain how to divide complex numbers by an imaginary number
1 answer
asked by
Lily
387 views
If z is any complex number where |z|=1,show that using the Argand plane 1<= |z+2|<=3 and (-pi/6)<= arg(z+2)<= (pi/6)...
I know if
3 answers
asked by
Shenaya
398 views
1. Math is complex but useful.
2. Math is complicated but useful. (Are both okay? Which syllable is stressed in 'complex'? First
3 answers
asked by
rfvv
494 views
plz help plz help
if z=x+jy,show that the locus arg{(z-1)/(z)}=pi/6 is a circle.find its centre and radius
2 answers
asked by
putman/raj
492 views
express ln(sinh^-1(1+j) in form of a+jb
help plz no ideal show step
1 answer
asked by
putman/raj
355 views
Let z=-8+15i and w=6-8i. Compute
zz/ww (each of the second ones, z and w, have a bar over them) where the bar represents the
3 answers
asked by
Mark
596 views
Complex numbers are written in the form a + bi. What does i represent?
-1 0 1 sqrt-1 **my choice
2 answers
asked by
JJ
1,065 views
How do you convert <12,13> to polar form?
1 answer
asked by
Anonymous
339 views
how do you convert to polar form?
3 answers
asked by
Anonymous
291 views
Use Demoivre's theorem to find the indicated power of the complex number. Write the result in standard form.
1.(3(cos5pi/4+i sin
2 answers
asked by
Susan
961 views
Write the complex number 100(cos240°+ i sin240°) in standard form.
2 answers
asked by
Anonymous
493 views
Write the complex number z=-2+2i in trigonometric form.
3 answers
asked by
Anonymous
1,376 views
how do you use e^a+bi = e^(cos b + i sin b) to derive the equation eπi + 1 = 0
1 answer
asked by
Anonymous
424 views
In working with complex exponentials we need some simple rules and short cuts for doing the algebra.
Remember that a complex
1 answer
asked by
sengeni
368 views
What is the real part of 4−5i ?
7 answers
asked by
KiriBakuTodoDeku
32 views
What is the absolute value of: 3 - 8i?
A. 9 B. 64 C. √55 D. √73
1 answer
asked by
Sade
342 views
Complex numbers can be graphed on the xy coordinate plane. TRUE OR FALSE
My answer is yes
4 answers
asked by
Steve
1,337 views
(3-4yi)(6+7i)-[(2-3yi)-3(1+7i)]
Express it in a+bi form I got 19+42i-21yi+28y but I do not know how to express it in a+bi form,
1 answer
asked by
Kris
410 views
Find the complex number u=x+yi where x,y € I, such that u^2=-5+12i. HELPPPPPPP!
2 answers
asked by
Kai
532 views
determine arcsinh(2+i) in form of a+bi
thanks
3 answers
asked by
hang
297 views
Simplify the expression in a+bi form.
(3+i)(5-2i)(4-7i) a. 67-145i b. 75-123i c. 53-145i d. 61-123i
6 answers
asked by
Jackson
648 views
Find the magnitude of (2-i)(1+3i)(3+4i)
1 answer
asked by
linda
292 views
Let z and w be complex numbers such that |z| = |w| = 1 and zw does not equal -1. Prove that
(z + w) / (zw + 1) is a real number.
2 answers
asked by
Joe
564 views
5x+3yi=5-6i?
1 answer
asked by
jonathan
332 views
_1_under root3i
1 answer
asked by
Abid
313 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that
(z + w)/(zw + 1) is a real number.
2 answers
asked by
Katie
829 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that
(z + w)/(zw + 1) is a real number.
1 answer
asked by
Katie
332 views
Let z and w be complex numbers such that |z| = |w| = 1, and zw is not equal to -1. Prove that
(z + w)/(zw + 1) is a real number.
2 answers
asked by
Katie
577 views
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